Alert archive / Nebraska / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 77, NWS Hastings, NE

May 23, 2006Howard County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 23, 2006, 5:47 PM CDT for Howard County, Nebraska. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 23, 2006, 5:47 PM CDT (22:47 UTC)
Expired: May 23, 2006, 6:30 PM CDT
In force: 43 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Howard County, NE

The radar

The Grand Island radar (KUEX), 100 km from the middle of the area, began a volume at 22:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 23, 2:10 PM CDT	Tornado Watch	SPC	7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 23, 2:25 PM CDT, 3 hours 22 minutes earlier.

Area forecast discussion, May 23, 2:25 PM CDT, 3 hours 22 minutes before

AREA FORECAST DISCUSSION...CORRECTED TYPOS
NATIONAL WEATHER SERVICE HASTINGS NE
225 PM CDT TUE MAY 23 2006

.SHORT TERM...MAIN PROBLEM IN THE SHORT TERM IS CHANCES OF SEVERE
THUNDERSTORMS TONIGHT. AFTERNOON SURFACE ANALYSIS PLACES A SURFACE
TROUGH ACROSS WESTERN SOUTH DAKOTA THROUGH WESTERN NEBRASKA INTO
WESTERN KANSAS. WATER VAPOR IMAGERY SHOWS A NICE SPIN/UPPER LOW
OVER NORTHEAST WYOMING...AND THE LATEST RADAR MOSAIC SHOWS
THUNDERSTORMS DEVELOPING OVER WESTERN NEBRASKA NEAR THE SURFACE
BOUNDARY.

12Z NAM/GFS ARE IN RELATIVE AGREEMENT WITH THE SCENARIO FOR
TONIGHT. THE UPPER LOW WILL LIFT ACROSS THE DAKOTAS THIS EVENING
WHICH WILL HELP SHOVE THE SURFACE BOUNDARY INTO THE WESTERN
PORTIONS OF THE FORECAST AREA LATE THIS AFTERNOON. INSTABILITY
WILL NOT BE A PROBLEM WITH SURFACE DEWPOINTS IN THE MID 50S TO MID
60S AND SBCAPE VALUES UP TO 2500 J/KG. DEEP LAYER SHEAR (0-6 KM)
APPEARS SUFFICIENT FOR SUPERCELLS WITH VALUES APPROACHING 45 KTS.
THERE WILL BE A COUPLE OF LIMITING FACTORS FOR TORNADOES WITH WEAK
LOW LEVEL (0-1KM) SHEAR AND HIGH LCL/LFC HEIGHTS...SO THE MAIN
THREATS WILL BE DAMAGING WINDS WITH INVERTED-V SOUNDINGS AND LARGE
HAIL. IT SHOULD TAKE FAIRLY IMPRESSIVE CORES TO DEVELOP 1 INCH
HAIL TODAY WITH FREEZING LEVELS OF 13KFT AGL.

THE DRY AIR COMES IN RELATIVELY RAPIDLY THIS EVENING WITH STORMS
ENDING FROM WEST TO EAST. HAVE ONLY THE EAST WITH A POP STILL
AFTER MIDNIGHT...BUT THAT TOO SHOULD COME TO AN END BY EARLY
WEDNESDAY MORNING.

AFTER TONIGHT...IT AGAIN LOOKS MAINLY DRY THROUGH 12Z FRIDAY. THE
UPPER LOW MOVES INTO MINNESOTA ON WEDNESDAY WHICH COULD BRING SOME
WRAP AROUND SHOWERS TO MAINLY EASTERN NEBRASKA...SO WILL KEEP THE
FORECAST AREA DRY. WILL ALSO HAVE TO WATCH CONVECTION OVER THE
HIGH PLAINS THURSDAY NIGHT...HOWEVER THINK THAT THIS WILL MAINLY
STAY WEST AND SOUTH OF THE CWA SO WILL NOT ADD POPS YET.

.LONG TERM...12Z FRIDAY THROUGH TUESDAY. MAIN CONCERN IN THE LONG
TERM IS HOW WARM TEMPS WILL GET THIS WEEKEND...ALONG WITH SOME
MINIMAL PRECIPITATION CHANCES.

A WEAK UPPER LEVEL SHORTWAVE RIDGE MOVES ACROSS THE CENTRAL PLAINS
ON FRIDAY WHILE A SURFACE TROUGH DEEPENS IN THE LEE OF THE ROCKIES.
BOTH THE NAM AND GFS ARE HINTING AT AN MCS POSSIBLY BRUSHING THE FAR
SOUTHERN CWA EARLY FRIDAY MORNING. HAVE OPTED TO LEAVE OUT POPS FOR
NOW AS HIGH PLAINS CONVECTION HAS STRUGGLED LATELY TO MAKE IT THIS
FAR EAST. ALSO GIVEN STEERING FLOW...IT COULD EASILY MISS US TO THE
SOUTH. THUS WILL HOLD OFF FOR NOW AND CONTINUE TO MONITOR IN LATER
FORECAST PACKAGES. WITH SOUTHERLY WINDS AT LOW LEVELS AND BUILDING
HEIGHTS ALOFT...FRIDAY CONTINUES TO LOOK WARM WITH HIGHS IN THE
LOWER TO MID 90S LIKELY. THE LLJ KICKS IN FRIDAY NIGHT...AND HAVE
ADDED SLIGHT CHANCE POPS ACROSS THE FAR EASTERN CWA WHERE LOW-LEVEL
JET IS POKING INTO.

SOUTHWEST FLOW ALOFT SPREADS ACROSS THE REGION ON SATURDAY AS A
TROUGH MOVES ACROSS THE INTERMOUNTAIN WEST. THE LEE SURFACE TROUGH
REMAINS IN PLACE...CONTINUING TO DRIVE SOUTHERLY WINDS. WITH STRONG
WAA...850MB TEMPS SOAR INTO THE UPPER 20S TO NEAR 30. SATURDAY LOOKS
TO BE THE WARMEST DAY OF THE PERIOD. THE LEE TROUGH PULLS EAST INTO
THE EASTERN HIGH PLAINS ON SUNDAY. LOOKS LIKE ANOTHER WARM DAY WITH
SOUTHERLY SURFACE WINDS CONTINUING AND SOUTHWEST FLOW ALOFT. WITH
THE SURFACE BOUNDARY LINGERING IN THE AREA SUNDAY INTO MONDAY AND
SOME MOISTURE AND RESULTING INSTABILITY FROM DAYTIME HEATING...THERE
IS A SMALL POTENTIAL FOR CONVECTION. FOR NOW HAVE DECIDED TO KEEP
POPS CONFINED TO THE MONDAY AFTERNOON AND MONDAY NIGHT PERIOD WHEN
THE MODELS ARE IN DECENT CONSENSUS OF DROPPING THE BOUNDARY FARTHER
SOUTH INTO THE CWA. TEMPS ON TUESDAY SHOULD BE SLIGHTLY COOLER
ESPECIALLY ACROSS THE NORTH PER BOUNDARY SLIDING SOUTH LATE DAY
MONDAY...HOWEVER HIGHS STILL LOOK WELL ABOVE AVERAGE.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
KS...NONE.
&&

CK/KB

Hazardous weather outlook, May 23, 3:34 PM CDT, 2 hours 13 minutes before

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In the hours before

Special weather statement, May 23, 5:39 PM CDT, 8 minutes before

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Special weather statement, May 23, 5:40 PM CDT, 7 minutes before

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Special weather statement, May 23, 5:41 PM CDT, 6 minutes before

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Local storm report, May 23, 5:44 PM CDT, 3 minutes before

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Local storm report, May 23, 5:46 PM CDT, 1 minute before

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Special weather statement, May 23, 5:46 PM CDT, 1 minute before

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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 23, 5:29 PM CDT	Severe Thunderstorm Warning	GID	Sherman	47 min
May 23, 6:27 PM CDT	Severe Thunderstorm Warning	GID	Hall	63 min
May 23, 6:29 PM CDT	Severe Thunderstorm Warning	GID	Adams	61 min
May 23, 6:37 PM CDT	Severe Thunderstorm Warning	GID	Howard	29 min
May 23, 6:51 PM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance	39 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2006 Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.