Alert archive / Nebraska / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 249, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 22, 2004, 12:13 AM CDT for Holt County, Nebraska. It was in force for 62 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
- Jul 22, 2004, 12:13 AM CDT (05:13 UTC)
- Expired
- Jul 22, 2004, 1:15 AM CDT
- In force
- 62 min
- Issued by
- NWS North Platte, NE
- Area
- Counties, with a storm outline in the text
County Holt County, NE
The radar
The North Platte radar (KLNX), 154 km from the middle of the area, began a volume at 05:17 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 nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.2 hours before the alert went out and 198 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
- 1072 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 2195 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KLBF 220513 SVRLBF NEC089-220615- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1212 AM CDT THU JUL 22 2004 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HOLT COUNTY IN NORTH CENTRAL NEBRASKA * UNTIL 115 AM CDT * AT 1207 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES SOUTHEAST OF CHAMBERS TO 12 MILES NORTHWEST OF AMELIA...MOVING SOUTHEAST AT 10 MPH. * SEVERE THUNDERSTORMS WILL BE NEAR... AMELIA AROUND 1225 AM CDT LAT...LON 4235 9851 4239 9921 4210 9921 4210 9835 $$ KAR
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 Jul 21, 3:05 PM CDT, 9 hours 8 minutes earlier.
Area forecast discussion, Jul 21, 3:05 PM CDT, 9 hours 8 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 305 PM CDT WED JUL 21 2004 ...TEMPERATURES THE NEXT SEVERAL DAYS AND PRECIPITATION CHANCES ARE MAIN FORECAST CHALLENGES.... .DISCUSSION... NEAR TERM...(TONIGHT THROUGH SATURDAY)...MAIN FCSTING DILEMMA TDY IS PRECIP CHANCES OVER THE NEXT COUPLE OF DAYS. WITH TEMPS APPG THE 90 DEG MARK THIS AFTN...SOME ELEVATED CU HAS FORMED ACROSS THE FA THIS AFTN. HAVE CONTINUED MENTION OF ISOLATED TSRAS THIS EVENING TO COVER ANY STRAY CONVECTION WHICH FORMS. WILL EVAL THIS CLOSELY NEAR ISSUANCE AND TRIM BACK IF NEEDED. PRECIP CHANCES INCREASE ON THURSDAY AS A STRONG CANADIAN COLD FRONT TRAVERSES THE FA DURING THE DAY. COLD AIR POOL ROBUST BEHIND THIS FEATURE WITH TEMPS IN THE 70S OVER NERN MT AND WRN ND...WITH 60S PRESENT OVER THE BORDER IN SRN CANADA. PLENTY OF LOW LEVEL MOISTURE EXISTS JUST AHEAD OF THE FRONT AS EVIDENCED BY PW/S BETWEEN AN INCH TO 1.5 INCHES. ALL THIS COLD AIR CRASHING INTO ALL THIS MOISTURE WILL BE VERY FAVORABLE FOR PRECIP. WILL POST 50+ POPS ACROSS MOST OF THE FA TOMORROW. WILL GO LOW LIKELY IN THE SOUTH AS THE FRONT WILL PASS THROUGH THESE AREAS DURING PEAK HEATING. POST FRONTAL PRECIP CONTINUES TO LOOK FAIRLY FAVORABLE FOR MOST LOCATIONS THROUGH MIDNIGHT THURSDAY NIGHT...WITH MOIST ERLY UPSLOPING CONDS THROUGH 05Z. BY MIDNIGHT...SFC HIGH BUILDS INTO THE PANHANDLE...TURNING OFF THE PRECIP MECHANISM TEMPORALLY. PRECIP CHANCES RETURN ON FRIDAY AFTN/EVE AND SATURDAY AFTN AND EVE AS A COUPLE OF SHORTWAVES APPROACH THE FA. HAVE PAINTED HIGHEST POPS ACROSS THE WEST (BETTER LOW LEVEL UPSLOPING COMPONENT)...WITH SLIGHT CHANCES FURTHER EAST. AS FOR TEMPS...DROPPED THESE SHARPLY ON FRIDAY...WITH MOSTLY CLOUDY SKIES AND ERLY WINDS EXPECTED. USUALLY A GOOD SETUP COOL/CLOUDY CONDS. THIS SETUP WAS VERY SIMILAR TO THE THIRD WEEK OF JUNE...WHERE WE FAILED TO REACH 60 AT LBF FOR TWO CONSECUTIVE DAYS. LONG TERM...(SUNDAY THROUGH WEDNESDAY)...DECENT RUN TO RUN CONSISTENCY NOTED THIS MORNING WITH RESPECT TO THE GFS. CONDS WILL BE WET ON SUNDAY AS UPPR TROF (CLOSED LOW TRAVERSES SOUTH DAKOTA). GOOD SUBSIDENCE BEHIND THIS FEATURE ON MONDAY AND TUESDAY (SFC HIGH BUILDING OVHD) ON WEDNESDAY SRLY FLOW RETURNS UNDER NWRLY FLOW ALOFT. THIS WILL ALLOW TEMPS TO REBOUND BACK TOWARD CLIMO BY WEDNESDAY. && .SYNOPSIS...H5 PATTERN FAIRLY FLAT ACROSS THE CENTER OF THE CONUS WITH SEVERAL EMBEDDED WAVES FROM THE CENTRAL PLAINS WWD TO THE PAC COAST. MAIN FEATURE TO NOTE IS THE ABNORMALLY STRONG CLOSED LOW OVR THE NRN HUDSON BAY. A STRONG TROF EXTENDING FROM THIS FEATURE INTO SRN SASKATCHEWAN...ATTM HAS SHOT A STRONG COLD FRONT INTO NRN ND. THIS FEATURE IS ON TRACK TO RACE SWD OVER NIGHT AS A SECOND...STRONGER H5 TROF PUSHES INTO ND DURING THE OVERNIGHT HOURS. MODELS PROG A 5340 GPM LOW BUILDING INTO SRN HUDSON BAY BY THURSDAY EVENING. SFC TROF...WHICH BROUGHT TSRAS TO THE ERN FA YSTRDAY...HAS SUNK INTO NORTHERN KANSAS...AS HAS THE SVR WX THREAT. .LBF WATCHES/WARNINGS/ADVISORIES...NONE. && CLB
Hazardous weather outlook, Jul 21, 4:15 PM CDT, 7 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE NORTH PLATTE NE 415 PM CDT WED JUL 21 2004 NEZ004>010-022>029-035>038-056>059-069>071-094-221030- ARTHUR-BLAINE-BOYD-BROWN-CHASE-CUSTER-DEUEL-EASTERN CHERRY-FRONTIER- GARDEN-GARFIELD-GRANT-HAYES-HOLT-HOOKER-KEITH-KEYA PAHA-LINCOLN- LOGAN-LOUP-MCPHERSON-PERKINS-ROCK-SHERIDAN-THOMAS-WESTERN CHERRY- WHEELER- INCLUDING THE CITIES OF...AINSWORTH...ARNOLD...ARTHUR...BASSETT... BIG SPRINGS...BREWSTER...BROKEN BOW...BURWELL...CHAPPELL...CURTIS... GORDON...GRANT...HAY SPRINGS...HAYES CENTER...IMPERIAL...MULLEN... NORTH PLATTE...ONEILL...OGALLALA...OSHKOSH...RUSHVILLE...SPENCER...SPRINGV IEW...STAPLETON...TAYLOR...THEDFORD...TRYON AND VALENTINE 415 PM CDT WED JUL 21 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND NORTH CENTRAL NEBRASKA. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED. A WEAK FRONTAL BOUNDARY WILL SERVE AS A FOCUS FOR THUNDERSTORM DEVELOPMENT TONIGHT ACROSS THE OUTLOOK AREA. UPPER AIR WIND PROFILES DO NOT FAVOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. BRIEF HEAVY RAIN WILL BE POSSIBLE WITH ANY OF THE STORMS THAT DO DEVELOP. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SHOWERS AND A FEW THUNDERSTORMS WILL AGAIN OCCUR ACROSS THE OUTLOOK AREA ON THURSDAY INTO THURSDAY NIGHT AS A SERIES OF WEAK UPPER LEVEL IMPULSES INTERACT WITH A RATHER MOIST ATMOSPHERE. SHOWERS AND A FEW THUNDERSTORMS WILL BE POSSIBLE SATURDAY AND SUNDAY AS A REINFORCING UPPER LEVEL TROUGH BRINGS IN COOL CANADIAN AIR. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. POWER
In the hours before
Local storm report, Jul 21, 7:34 PM CDT, 4 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
734 PM CDT WED JUL 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0732 PM HAIL 10 N MADRID 40.99N 101.54W
07/21/2004 0.88 INCH PERKINS NE PUBLIC
&&
JMCLocal storm report, Jul 21, 8:38 PM CDT, 3 hours 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
838 PM CDT WED JUL 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0835 PM TSTM WND GST WAUNETA 40.42N 101.37W
07/21/2004 58 MPH CHASE NE CO-OP OBSERVER
ESTIMATED 55 TO 60 MPH WINDS AND HEAVY RAIN
&&
JMCLocal storm report, Jul 21, 9:04 PM CDT, 3 hours 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
904 PM CDT WED JUL 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0901 PM TSTM WND GST 12 S NORTH PLATTE 40.96N 100.77W
07/21/2004 60 MPH LINCOLN NE NWS EMPLOYEE
&&
JMCLocal storm report, Jul 21, 9:09 PM CDT, 3 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
909 PM CDT WED JUL 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0856 PM TSTM WND GST 4 SW HAMLET 40.34N 101.29W
07/21/2004 60 MPH HAYES NE PUBLIC
&&
DPLocal storm report, Jul 21, 9:53 PM CDT, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT ... SUMMARY
NATIONAL WEATHER SERVICE NORTH PLATTE NE
953 PM CDT WED JUL 21 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0619 PM TSTM WND GST LEMOYNE 41.29N 101.80W
07/21/2004 58 MPH KEITH NE FIRE DEPT/RESCUE
55 TO 60 MPH WINDS
0654 PM HAIL 7 NW OGALLALA 41.20N 101.82W
07/21/2004 0.75 INCH KEITH NE EMERGENCY MNGR
0732 PM HAIL 10 N MADRID 40.99N 101.54W
07/21/2004 0.88 INCH PERKINS NE PUBLIC
0835 PM TSTM WND GST WAUNETA 40.42N 101.37W
07/21/2004 58 MPH CHASE NE CO-OP OBSERVER
ESTIMATED 55 TO 60 MPH WINDS AND HEAVY RAIN
0856 PM TSTM WND GST 4 SW HAMLET 40.34N 101.29W
07/21/2004 60 MPH HAYES NE PUBLIC
0901 PM TSTM WND GST 12 S NORTH PLATTE 40.96N 100.77W
07/21/2004 60 MPH LINCOLN NE NWS EMPLOYEE
&&
JMCLocal storm report, Jul 22, 12:00 AM CDT, 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1200 AM CDT THU JUL 22 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
1140 PM HAIL CHAMBERS 42.21N 98.75W
07/21/2004 1.00 INCH HOLT NE CO-OP OBSERVER
&&
13The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:18 PM CDT | Severe Thunderstorm Warning | LBF | Perkins | 57 min |
| Jul 21, 8:36 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Hayes | 54 min |
| Jul 21, 8:41 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 64 min |
| Jul 21, 10:07 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 53 min |
| Jul 21, 11:16 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 59 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2004Every severe thunderstorm warning in 2004
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.