SPC Severe Thunderstorm Watch 220
: WW 220 SEVERE TSTM NE 260035Z - 260700Z

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 220
NWS STORM PREDICTION CENTER NORMAN OK
735 PM CDT SAT MAY 25 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHWEST AND CENTRAL NEBRASKA
* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 735 PM
UNTIL 200 AM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH
SOUTHWEST OF NORTH PLATTE NEBRASKA TO 50 MILES SOUTHEAST OF
BURWELL NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 217...WW 218...WW 219...
DISCUSSION...SCATTERED TSTMS WILL LIKELY TO CONTINUE DEVELOP
EAST-NORTHEASTWARD AND POTENTIALLY EXPAND IN COVERAGE ACROSS
PORTIONS OF SOUTHWEST/CENTRAL NEB THIS EVENING. AIDED BY AN
INCREASING SOUTHERLY LOW LEVEL JET...TSTMS ARE LIKELY TO BE
ESPECIALLY FOCUSED ALONG AND EITHER SIDE OF A REMNANT OUTFLOW
BOUNDARY FROM LAST NIGHT/EARLY DAY STORMS. BOUTS OF SEVERE
HAIL/DAMAGING WINDS WILL BE POSSIBLE. SOME TORNADO THREAT MIGHT ALSO
BE POSSIBLE FOR AREAS SUCH AS CENTRAL NEB THIS EVENING IN VICINITY
OF THE OUTFLOW BOUNDARY...BUT THE OVERALL POTENTIAL APPEARS LIMITED
AT THIS TIME.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24025.
...GUYER
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SPC Severe Thunderstorm Watch 219
: WW 219 SEVERE TSTM NM TX 252325Z - 260500Z

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 219
NWS STORM PREDICTION CENTER NORMAN OK
625 PM CDT SAT MAY 25 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST NEW MEXICO
A SMALL PART OF WEST TEXAS
* EFFECTIVE THIS SATURDAY NIGHT FROM 625 PM UNTIL MIDNIGHT CDT.
* PRIMARY THREATS INCLUDE...
A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH
NORTHEAST OF HOBBS NEW MEXICO TO 45 MILES WEST SOUTHWEST OF WINK
TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 217...WW 218...
DISCUSSION...ONGOING STORMS IN SE NM WILL CONTINUE TO SPREAD
EWD/SEWD TOWARD ADJACENT AREAS OF W TX THIS EVENING. THE STORMS
WILL BE MAINTAINED BY A RELATIVELY WARM/DEEPLY-MIXED INFLOW AIR MASS
WITH MLCAPE APPROACHING 2000 J/KG...AND MARGINALLY SUFFICIENT
DEEP-LAYER VERTICAL SHEAR FOR ORGANIZED CLUSTERS/SUPERCELLS. GIVEN
THE STEEP LAPSE RATES IN THE LOW-MID LEVELS...THE PRIMARY THREATS
WILL BE LARGE HAIL AS WELL AS DAMAGING GUSTS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 29015.
...THOMPSON
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SPC Severe Thunderstorm Watch 218
: WW 218 SEVERE TSTM KS NE 252210Z - 260400Z

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 218
NWS STORM PREDICTION CENTER NORMAN OK
510 PM CDT SAT MAY 25 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN KANSAS
EXTREME SOUTHWEST NEBRASKA
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 510 PM UNTIL
1100 PM CDT.
* PRIMARY THREATS INCLUDE...
A FEW DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST
NORTHWEST OF MCCOOK NEBRASKA TO 10 MILES WEST SOUTHWEST OF
LIBERAL KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 217...
DISCUSSION...HIGH-BASED STORMS FORMING ALONG THE DRYLINE WILL SPREAD
SLOWLY EWD THROUGH THIS EVENING...WITH LARGE HAIL THE PRIMARY RISK
IN AN ENVIRONMENT OF MODERATE INSTABILITY/STEEP LAPSE RATES...AND
EFFECTIVE BULK SHEAR OF 25-30 KT. LATER THIS EVENING...STORM
MERGERS COULD LEAD TO SOME UPSCALE GROWTH INTO ONE OR MORE
CLUSTERS...WITH AN ATTENDANT RISK FOR STRONG/DAMAGING OUTFLOW WINDS
BEFORE THE BOUNDARY LAYER STABILIZES TONIGHT.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27020.
...THOMPSON
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SPC Tornado Watch 217
: WW 217 TORNADO MT ND SD WY 251955Z - 260400Z

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 217
NWS STORM PREDICTION CENTER NORMAN OK
155 PM MDT SAT MAY 25 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
SOUTHEAST MONTANA
SOUTHWEST NORTH DAKOTA
WESTERN AND CENTRAL SOUTH DAKOTA
NORTHEAST WYOMING
* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
1000 PM MDT.
* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES POSSIBLE
SEVERAL VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER
POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE
MILES EAST AND WEST OF A LINE FROM 75 MILES SOUTH SOUTHEAST OF
RAPID CITY SOUTH DAKOTA TO 45 MILES NORTH NORTHEAST OF BAKER
MONTANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
&&
DISCUSSION...TSTMS IN PROGRESS OVER SWRN ND/NWRN SD SHOULD CONTINUE
TO INTENSIFY THIS AFTERNOON WITH ADDITIONAL SURFACE-BASED STORMS
DEVELOPING OVER THE BLACK HILLS AND HIGH TERRAIN OF SERN MT. LOCAL
ENVIRONMENT IS CHARACTERIZED BY STEEP LAPSE RATES...MODERATE
INSTABILITY...AND VERTICALLY VEERING WIND PROFILES WITH 40-50 KT OF
DEEP-LAYER SHEAR. AS SUCH...THE POTENTIAL WILL EXIST FOR DISCRETE
SUPERCELLS AND BOWING STRUCTURES WITH A RISK FOR SIGNIFICANT
HAIL...A FEW TORNADOES...AND DAMAGING WINDS.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26020.
...MEAD
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SPC Severe Thunderstorm Watch 220 Status Reports
: WW 0220 Status Updates

STATUS FOR WATCH 0220 HAS NOT BEEN ISSUED YET
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SPC Severe Thunderstorm Watch 219 Status Reports
: WW 0219 Status Updates

STATUS REPORT ON WW 219
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/26/13
ATTN...WFO...MAF...
STATUS REPORT FOR WS 219
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NMC015-025-260140-
NM
. NEW MEXICO COUNTIES INCLUDED ARE
EDDY LEA
TXC003-109-165-301-389-475-495-260140-
TX
. TEXAS COUNTIES INCLUDED ARE
ANDREWS CULBERSON GAINES
LOVING REEVES WARD
WINKLER
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
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SPC Severe Thunderstorm Watch 218 Status Reports
: WW 0218 Status Updates

STATUS REPORT ON WW 218
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/26/13
ATTN...WFO...GLD...DDC...
STATUS REPORT FOR WS 218
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
KSC023-039-055-063-065-067-069-071-075-081-093-101-109-119-129-
137-153-171-175-179-181-187-189-193-199-203-260140-
KS
. KANSAS COUNTIES INCLUDED ARE
CHEYENNE DECATUR FINNEY
GOVE GRAHAM GRANT
GRAY GREELEY HAMILTON
HASKELL KEARNY LANE
LOGAN MEADE MORTON
NORTON RAWLINS SCOTT
SEWARD SHERIDAN SHERMAN
STANTON STEVENS THOMAS
WALLACE WICHITA
NEC057-087-145-260140-
NE
. NEBRASKA COUNTIES INCLUDED ARE
DUNDY HITCHCOCK RED WILLOW
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
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SPC Tornado Watch 217 Status Reports
: WW 0217 Status Updates

STATUS REPORT ON WW 217
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..DEAN..05/26/13
ATTN...WFO...BYZ...GGW...BIS...UNR...ABR...
STATUS REPORT FOR WT 217
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MTC011-017-021-025-075-079-087-109-260140-
MT
. MONTANA COUNTIES INCLUDED ARE
CARTER CUSTER DAWSON
FALLON POWDER RIVER PRAIRIE
ROSEBUD WIBAUX
NDC001-007-011-033-037-041-059-085-087-089-260140-
ND
. NORTH DAKOTA COUNTIES INCLUDED ARE
ADAMS BILLINGS BOWMAN
GOLDEN VALLEY GRANT HETTINGER
MORTON SIOUX SLOPE
STARK
SDC007-019-031-033-041-047-055-063-071-075-081-093-095-103-105-
113-117-121-137-260140-
SD
. SOUTH DAKOTA COUNTIES INCLUDED ARE
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