Alert archive / Nebraska / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 156, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at May 22, 2007, 7:55 PM CDT for Holt County, Rock County, Nebraska. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 22, 2007, 7:55 PM CDT (00:55 UTC)
- Expired
- May 22, 2007, 8:35 PM CDT
- In force
- 40 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
Counties Holt County, NE, Rock County, NE
The radar
The North Platte radar (KLNX), 121 km from the middle of the area, began a volume at 00:55 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
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 22, 2:25 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.9 hours before the alert went out and 170 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1480 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- -77 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 230055 SVRLBF NEC089-149-230145- /O.NEW.KLBF.SV.W.0156.070523T0055Z-070523T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 755 PM CDT TUE MAY 22 2007 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN HOLT COUNTY IN NORTH CENTRAL NEBRASKA... SOUTHEASTERN ROCK COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL 845 PM CDT * AT 750 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 13 MILES WEST OF SWAN LAKE...OR ABOUT 23 MILES NORTH OF BURWELL...AND MOVING NORTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 7 MILES NORTHWEST OF SWAN LAKE BY 805 PM CDT... 7 MILES SOUTHEAST OF BROWN LAKE BY 810 PM CDT... 7 MILES NORTHWEST OF AMELIA BY 815 PM CDT... A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN NEBRASKA. LAT...LON 4209 9935 4209 9903 4238 9882 4242 9920 $$ 13
2 follow-up statements
000 WWUS53 KLBF 230121 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 821 PM CDT TUE MAY 22 2007 NEC149-230131- /O.CAN.KLBF.SV.W.0156.000000T0000Z-070523T0145Z/ ROCK NE- 821 PM CDT TUE MAY 22 2007 ...THE SEVERE THUNDERSTORM WARNING FOR ROCK COUNTY IS CANCELLED... THE THUNDERSTORM WHICH HAD PROMPTED THE WARNING HAD MOVED OUT OF THE COUNTY. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE THROUGH THE EVENING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN NEBRASKA. LAT...LON 4209 9921 4209 9903 4238 9882 4241 9921 $$ NEC089-230145- /O.CON.KLBF.SV.W.0156.000000T0000Z-070523T0145Z/ HOLT NE- 821 PM CDT TUE MAY 22 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT FOR SOUTHWESTERN HOLT COUNTY... AT 820 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 10 MILES NORTHWEST OF SWAN LAKE...OR ABOUT 28 MILES SOUTHWEST OF ONEILL...MOVING NORTHEAST AT 25 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... RURAL WESTERN HOLT COUNTY AT 840 PM CDT A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN NEBRASKA. LAT...LON 4209 9921 4209 9903 4238 9882 4241 9921 $$ 13
000 WWUS53 KLBF 230135 SVSLBF SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 834 PM CDT TUE MAY 22 2007 NEC089-230144- /O.CAN.KLBF.SV.W.0156.000000T0000Z-070523T0145Z/ HOLT NE- 834 PM CDT TUE MAY 22 2007 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HOLT COUNTY IS CANCELLED... THE STORM WHICH HAD PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE WEATHER AND NO POSED A SEVERE WEATHER THEAT TO SOUTHWESTERN HOLT COUNTY AT THIS TIME. ADDITIONAL THUNDERSTORMS WILL BE POSSIBLE THROUGH THE EVENING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING FOR NORTHWESTERN NEBRASKA. LAT...LON 4209 9921 4209 9903 4238 9882 4241 9921 $$ 13
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 North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 22, 3:41 PM CDT, 4 hours 14 minutes earlier.
Area forecast discussion, May 22, 3:41 PM CDT, 4 hours 14 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 341 PM CDT TUE MAY 22 2007 .SHORT TERM DISCUSSION (TONIGHT THROUGH FRIDAY)... AN ACTIVE CONVECTIVE WEATHER IN STORE REMAINDER OF THIS AFTERNOON AND EVENING. BOTH NAM AND GFS IN GOOD AGREEMENT WITH HEAVY PRECIPITATION ALONG H85 FRONT THROUGH THIS EVENING. WITH PWS STILL AT 150 PERCENT OF NORMAL...HEAVY RAINFALL WILL BE THE MOST WIDESPREAD THREAT. RISK OF LARGE HAIL AND DAMAGING WINDS ALSO FOR AREAS EAST OF CODY THROUGH IMPERIAL. RISK OF ROTATING STORMS WITH AN ISOLATED TORNADO THREAT ALSO POSSIBLE ACROSS SERN TIER AS WELL. REPRIEVE FROM ACTIVE WEATHER VERY SHORT AS BOTH NAM AND GFS INDICATING ANOTHER ROUND WEDNESDAY NIGHT AS UPPER SHORT WAVE IN NEVADA ROUNDS THE FOUR CORNERS AND LIFTS NORTHEAST INTO NEBR AND KS. LOOKS MAINLY DRY THURSDAY THROUGH THURSDAY NIGHT UNTIL ANOTHER CHC RETURNS FRIDAY NIGHT. .LONG TERM DISCUSSION (SATURDAY THROUGH TUESDAY)... ALL MEDIUM RANGE MODELS INDICATE FAST WESTERLY FLOW ALOFT EACH DAY WITH ACTIVE WEATHER POSSIBLE EACH DAY AS SFC FRONT REMAINS ACROSS THE CENTRAL PLAINS. A WARMUP INTO THE 80S LIKELY MONDAY AND TUESDAY. && .AVIATION... VFR CONDITIONS WILL BE ENCOUNTERED THROUGH MIDNIGHT CDT OUTSIDE THUNDERSTORM ACTIVITY. CEILING WILL LOWER BEYOND 03Z FROM THE NORTH TO SOUTH IN AREAS EAST OF THE PANHANDLE FOR MVFR CONDITIONS THROUGH 09Z. THEN AS THE FRONT PULLS EAST CEILINGS LIFTING ACROSS THE WEST BUT MVFR CONDITIONS LINGERING ON EASTERN PORTIONS OF TWEB ROUTE 098 THROUGH 15Z WEDNESDAY. && .LBF WATCHES/WARNINGS/ADVISORIES... NONE. && KAR/TLK
Hazardous weather outlook, May 22, 2:56 PM CDT, 4 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE NORTH PLATTE NE 256 PM CDT TUE MAY 22 2007 NEZ004>010-022>029-035>038-056>059-069>071-094-231015- SHERIDAN-EASTERN CHERRY-KEYA PAHA-BOYD-BROWN-ROCK-HOLT-GARDEN- GRANT-HOOKER-THOMAS-BLAINE-LOUP-GARFIELD-WHEELER-ARTHUR-MCPHERSON- LOGAN-CUSTER-DEUEL-KEITH-PERKINS-LINCOLN-CHASE-HAYES-FRONTIER- WESTERN CHERRY- 256 PM CDT TUE MAY 22 2007 /156 PM MDT TUE MAY 22 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...THIS EVENING AND TONIGHT. THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS TONIGHT IN AREAS EAST OF THE PANHANDLE WITH THE GREATEST RISK EAST OF A LINE FROM VALENTINE IN CHERRY COUNTY...SUTHERLAND IN LINCOLN COUNTY...AND HAYES CENTER IN HAYES COUNTY. STORMS ARE EXPECTED TO DEVELOP ALONG A COUPLE DIFFERENT BOUNDARIES OVER THE AREA WITH LARGE HAIL AND DAMAGING WINDS ACROSS AREAS NORTH OF HIGHWAY 92 IN MCPHERSON COUNTY EAST INTO WHEELER COUNTY. FURTHER SOUTHEAST ISOLATED TORNADOES WILL BE POSSIBLE FOR STORMS DEVELOPING INTO SOUTH CENTRAL NEBRASKA INCLUDING PORTIONS OF LINCOLN...HAYES...FRONTIER..AND CUSTER COUNTIES AS STORMS WILL HAVE A BETTER POTENTIAL TO BECOME SUPERCELLS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. AFTER A QUIET PERIOD WEDNESDAY AND THURSDAY...AN ACTIVE PATTERN WILL RETURN WITH AT LEAST A SLIGHT CHANCE OF THUNDERSTORMS EACH DAY THROUGH MONDAY. A BOUNDARY COMING INTO NEBRASKA FRIDAY WILL INCREASE THE PROBABILITY OF THUNDERSTORMS FRIDAY NIGHT AND SATURDAY. THERE IS A POSSIBILITY OF SEVERE THUNDERSTORMS IN SOUTHWEST NEBRASKA SATURDAY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED. && THIS PRODUCT IS NOW AVAILABLE...ALONG WITH OTHER WEATHER... HYDROLOGICAL AND CLIMATOLOGICAL INFORMATION...AT HTTP://WWW.WEATHER.GOV/NORTHPLATTE KECK
In the hours before
Local storm report, May 22, 5:44 PM CDT, 2 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
544 PM CDT TUE MAY 22 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0535 PM HAIL 7 SW EUSTIS 40.59N 100.12W
05/22/2007 M1.75 INCH FRONTIER NE PUBLIC
&&
CHENDERSLocal storm report, May 22, 5:49 PM CDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
549 PM CDT TUE MAY 22 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0537 PM HAIL 3 SW EUSTIS 40.63N 100.07W
05/22/2007 E1.00 INCH FRONTIER NE FIRE DEPT/RESCUE
&&
HENDERSONLocal storm report, May 22, 7:45 PM CDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
745 PM CDT TUE MAY 22 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0740 PM HAIL 5 SSW OCONTO 41.07N 99.80W
05/22/2007 E0.88 INCH CUSTER NE PUBLIC
&&
HENDERSONThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:15 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 45 min |
| May 22, 7:57 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 48 min |
| May 22, 8:10 PM CDT | Tornado Warning | LBF | Custer | 35 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2007Every severe thunderstorm warning in 2007
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.