Alert archive / Nebraska / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 262, NWS Hastings, NE
NWS Hastings, NE issued this severe thunderstorm warning at Aug 9, 2005, 4:51 PM CDT for Greeley County, Valley County, Nebraska. It was in force for 54 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
- Aug 9, 2005, 4:51 PM CDT (21:51 UTC)
- Expired
- Aug 9, 2005, 5:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Hastings, NE
- Area
- Counties, with a storm outline in the text
Counties Greeley County, NE, Valley County, NE
The radar
The Grand Island radar (KUEX), 141 km from the middle of the area, began a volume at 21:53 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 |
|---|---|---|---|
| Aug 9, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 162 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 741 J/kg
- Mixed-layer CIN
- -221 J/kg
- Mixed-layer LCL
- 2063 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -105 m²/s²
- 0-3 km storm-relative helicity
- -57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
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 Aug 9, 2:36 PM CDT, 2 hours 15 minutes earlier.
Area forecast discussion, Aug 9, 2:36 PM CDT, 2 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 236 PM CDT TUE AUG 9 2005 .SHORT TERM...TONIGHT THROUGH 12Z FRIDAY...MAIN FORECAST CONCERNS REMAIN ASSOCIATED WITH THE FRONT AS IT MOVES INTO THE FORECAST AREA. COLD FRONT ALREADY VISIBLE ON KLNX 88D AS IT MOVES THROUGH NORTH CENTRAL NEBRASKA. ON SATELLITE THERE ARE SOME CUMULUS DEVELOPING ALONG THE FRONT...AND FURTHER NORTH THERE ARE SOME THUNDERSTORMS. EXPECT THAT THUNDERSTORMS WILL DEVELOP ALONG THE FRONT AS IT MOVES SOUTHEAST. THE FRONT IS SLOW TO MOVE AND STILL ONLY MOVES INTO THE NORTHWEST PART OF THE FORECAST AREA BY 00Z THIS EVENING. HAVE INCREASED POPS FOR THIS EVENING AND TONIGHT. THE BEST CHANCES WILL BE IN THE NORTHERN PART OF THE FORECAST AREA DUE TO THE GREATEST UPPER SUPPORT IN THAT AREA. LATE TONIGHT THE FRONT WEAKENS ACROSS NORTHERN KANSAS AND THE PRECIPITATION SHOULD DIMINISH A LITTLE. A WEAK SURFACE HIGH PRESSURE SETTLES INTO NORTHWEST NEBRASKA ON WEDNESDAY. THIS SHOULD REDUCE THE CHANCES OF PRECIPITATION...BUT STILL NOT COMPLETELY BRING IT TO AN END. THE WEAK FRONT LINGERS ACROSS KANSAS THROUGH WEDNESDAY NIGHT. HAVE KEPT A SLIGHT CHANCE FOR SOME THUNDERSTORMS...ESPECIALLY IN THE SOUTHERN PART OF THE FORECAST AREA DURING THIS TIME. LOW PRESSURE ONCE AGAIN DEVELOPS IN WESTERN NEBRASKA LATE WEDNESDAY NIGHT AND THERE WILL BE A CHANCE OF SOME THUNDERSTORMS ACROSS THE FORECAST AREA...THIS TIME FURTHER NORTH CLOSER TO THE CENTER OF THE LOW. WITH THE FRONT LINGERING IN THE VICINITY OF THE FORECAST AREA THERE COULD BE A SOME COOLER TEMPERATURES IN THE NORTH PART OF THE AREA. LOWERED THE TEMPERATURES IN THE FAR NORTH A DEGREE OR SO FOR WEDNESDAY...OTHERWISE DID NOT MAKE MANY CHANGES. .LONG TERM...12Z FRIDAY AND BEYOND. VERY CHALLENGING FORECAST THROUGH THE ENTIRE PERIOD AS UNCERTAINTY REMAINS HIGH ABOUT PLACEMENT OF SURFACE FEATURES WHICH WILL HAVE A DRAMATIC IMPACT ON THE LOCAL WEATHER. AT THE START OF THE PERIOD...WEATHER ON FRIDAY REMAINS QUITE QUESTIONABLE AS SURFACE FRONT WILL BE SOMEWHERE ACROSS THE AREA. NAM/UKMET DEPICTS A PLACEMENT SOMEWHERE ACROSS SOUTHERN NEBRASKA WHILE THE GFS/ECMWF SHOW A MUCH FARTHER SOUTH PLACEMENT INTO KANSAS. CERTAINLY THIS WILL AFFECT HIGH TEMPS AND PRECIP CHANCES FOR THE DAY ON FRIDAY. PREFER A SOLUTION CLOSER TO THE NAM AS THE GFS APPEARS TO BE HIGHLY AFFECTED BY CONVECTIVE FEEDBACK... SHOVING THE BOUNDARY INTO NORTHERN OKLAHOMA. FOR NOW...HAVE KEPT SMALL POPS FOR FRIDAY...WITH TEMPS IN THE 80S...ALTHOUGH SOME AREAS COULD CERTAINLY SEE 90S SHOULD THE FRONT LIFT A LITTLE FARTHER NORTH. LONGWAVE PATTERN BEGINS TO SHIFT FROM A MORE ZONAL LOOK TO A BROAD CENTRAL/WESTERN CONUS TROF BY SATURDAY. THIS IS SHOWN BY ALL THE MEDIUM RANGE SOLUTIONS AND IS SUPPORTED BY POSITION OF CENTRAL PACIFIC CONVECTION SHIFTING WESTWARD IN TIME. THIS WILL ALLOW MUCH COOLER AIR TO MOVE SOUTH DOWN THE PLAINS...ALONG WITH REINFORCING THE SFC BOUNDARY ACROSS THE AREA. CONFIDENCE IS VERY LOW WITH THE CONTINUED POSITION OF THE FRONT AS ANY STRONG CONVECTION COULD EASILY FORCE IT SOUTHWARD OUT OF THE AREA AND LEAD TO A MUCH DRIER FORECAST. HOWEVER...PRECIP ON SATURDAY LOOKS TO BE A GOOD BET WITH RATHER STRONG LIFT OVER THE BOUNDARY JUST SOUTH OF THE CWA. WITH PLENTY OF CLOUDS AND PRECIP...TEMPS SHOULD STAY RATHER COOL AND HAVE DRAMATICALLY LOWERED HIGHS ON BOTH SATURDAY AND SUNDAY TO REFLECT THIS LIKELIHOOD. TEMPS MAY NOT BE COOL ENOUGH SHOULD BOUNDARY HANG TOUGH AND PRECIP LINGER...AND WOULD NOT BE SURPRISED TO SEE READINGS HOLD NEAR 70 FOR SOME PLACES THIS WEEKEND. UPR TROF LOOKS TO LINGER THROUGH THE BEGINNING OF THE WEEK...WITH TEMPS ACTUALLY HOLDING NEAR/SLIGHTLY BELOW NORMAL FOR THE FIRST TIME IN QUITE A WHILE. .GID WATCHES/WARNINGS/ADVISORIES... NE...NONE. KS...NONE. && JCB/LAWRENCE
Hazardous weather outlook, Aug 9, 2:06 PM CDT, 2 hours 45 minutes before
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</html>In the hours before
Special weather statement, Aug 9, 4:49 PM CDT, 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HASTINGS NE 449 PM CDT TUE AUG 9 2005 NEZ039>041-046>048-060>062-072-073-082-100500- BUFFALO-DAWSON-FURNAS-GOSPER-GREELEY-HALL-HOWARD-MERRICK-NANCE- PHELPS-SHERMAN-VALLEY- INCLUDING THE CITIES OF...GRAND ISLAND...HOLDREGE...KEARNEY... LEXINGTON...ORD 449 PM CDT TUE AUG 9 2005 THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 709 IN EFFECT UNTIL 12 AM CDT FOR THE FOLLOWING AREAS IN NEBRASKA THIS WATCH INCLUDES 12 COUNTIES IN CENTRAL NEBRASKA GREELEY HOWARD MERRICK NANCE SHERMAN VALLEY IN SOUTH CENTRAL NEBRASKA BUFFALO DAWSON FURNAS GOSPER HALL PHELPS THIS INCLUDES THE CITIES OF...ARAPAHOE...BEAVER CITY... CAMBRIDGE...CENTRAL CITY...COZAD...ELWOOD...FULLERTON...GENOA... GOTHENBURG...GRAND ISLAND...HOLDREGE...KEARNEY...LEXINGTON... LITCHFIELD...LOUP CITY...ORD...OXFORD...SCOTIA...SPALDING... ST. PAUL AND WOLBACH. KISNER
The office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:41 PM CDT | Severe Thunderstorm Warning | GID | Valley | 29 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2005Every severe thunderstorm warning in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.