Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 111, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 11, 1998, 4:16 PM CDT for Brown County, Nebraska. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 11, 1998, 4:16 PM CDT (21:16 UTC)
- Expired
- Jun 11, 1998, 5:20 PM CDT
- In force
- 64 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Brown County, NE
The radar
The North Platte radar (KLNX), 75 km from the middle of the area, began a volume at 21:19 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 4:50 PM CDT | Hail 0.88 | Ainsworth, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.3 hours before the alert went out and 155 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
- 1878 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
507 WUUS1 KLBF 112115 RRA SVRLBF NEC017-112220- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 416 PM CDT THU JUN 11 1998 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BROWN COUNTY IN NORTH CENTRAL NEBRASKA * UNTIL 520 PM CDT * AT 414 PM CDT... NORTH PLATTE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES SOUTHWEST OF AINSWORTH OR 5 MILES WEST SOUTHWEST OF MOON LAKE MOVING EAST SOUTHEAST AT 35 MPH. * DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR... MOON LAKE BY 420 PM CDT THIS STORM HAS A HISTORY OF LARGE HAIL. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS RLB
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 Jun 11, 2:14 PM CDT, 2 hours 2 minutes earlier.
Area forecast discussion, Jun 11, 2:14 PM CDT, 2 hours 2 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 213 PM CDT (113 PM MDT) THU JUN 11 1998 ...MAIN PROBLEM WILL BE PREDICTING TRACK OF INCOMING TROUGH... AVN DIFFERENT FROM ETA/NGM IN HANDLING OF NEXT SYSTEM. TEND TO BELIEVE ETA/NGM SOLUTION WITH STRONGER SYSTEM COMING OUT FURTHER TO THE SOUTH...ESPECIALLY WHEN EXAMINING THIS AFTERNOONS GOES 9 WATER VAPOR LOOP. THIS WILL LIKELY RESULT IN WARMER DAY SATURDAY THAN MODELS INDICATE. ALSO...850 MB MOISTURE FIELDS LOOK QUITE DRY FOR FRIDAY AND SATURDAY...AND WILL KEEP POPS OUT FOR DAYTIME FRIDAY. EXCEPTION WILL BE IN THE NORTH...NEAR THE COLD POOL ALOFT...WHERE THIS AFTERNOONS ACTIVITY IN THE PANHANDLE INCICATES THAT EVEN WITH LIMITED MOISTURE...CONVECTIVE ACTIVITY WILL OCCUR. WILL WORD FOR AFTERNOON ACTIVITY. POSITION EAST OF RIDGE AXIS WILL LIKELY MAKE ANY ACTIVITY THAT DOES DEVELOP WIDELY SCATTERED AT BEST. DIFFICULT AT THIS TIME TO DETERMINE WHETHER THE LEAD WAVE SHOWN BY THE ETA AT 48 HOURS IS PURELY CONVECTIVE FEEDBACK...OR IF IT MAY HAVE SOME HINT OF REALITY. FOR NOW...WILL CHOOSE TO IGNORE THIS FEATURE OWING TO THE FACT THAT THE ORIGIN IS OFF THE COAST...AND THEREFORE CONFIDENCE IS LOW. WE HAVE CONVECTION FIRING IN TWO AREAS AS OF 19Z...SO NEED TO CUT THIS OFF. WILL SEND WORKZONES BY 315 PM. PRELIMINARY NUMBERS BELOW: PRELIMNARY GUIDANCE FOR COORDINATION ONLY. OFFICIAL FORECAST IS CONTAINED WITHIN THE PRODUCT OMAZFPNE. LBF BB 49/84/52/85/50 1/1/3/3 VTN BB 48/80/49/84/48 3/2/2/3 ONL BB 50/82/54/85/55 5/2/2/3 IML BB 50/86/53/87/52 2/1/3/3 SPARKER
In the hours before
Special weather statement, Jun 11, 10:55 AM CDT, 5 hours 21 minutes before
NEZ004>010-022>029-035>038-056>059-069>071-121200- SEVERE WEATHER OUTLOOK FOR WESTERN AND NORTH CENTRAL NEBRASKA... NATIONAL WEATHER SERVICE NORTH PLATTE NE 1055 AM CDT THU JUN 11 1998 THIS OUTLOOK PERTAINS TO THE FOLLOWING NEBRASKA COUNTIES... ARTHUR BLAINE BOYD BROWN CHASE CHERRY CUSTER DEUEL FRONTIER GARDEN GARFIELD GRANT HAYES HOLT HOOKER KEITH KEYA PAHA LINCOLN LOGAN LOUP MCPHERSON PERKINS ROCK SHERIDAN THOMAS WHEELER ...STORM SPOTTER ACTIVATION IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT... THERE IS A CHANCE FOR THUNDERSTORMS THIS AFTERNOON AND INTO THIS EVENING OVER PORTIONS OF NORTH CENTRAL AND WESTERN NEBRASKA. THE GREATEST THREAT OF THUNDERSTORMS IS GENERALLY EAST OF A LINE FROM NEAR VALENTINE...TO THEDFORD...TO NORTH PLATTE...TO CURTIS. THESE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. DRIER AND MORE STABLE AIR IS SFLOWLY MOVING INTO THE OUTLOOK AREA FROM THE WEST BEHIND A LOW PRESSURE TROUGH AS AN UPPER AIR DISTURBANCE WAS MOVING EAST OUT OF THE STATE. THIS WILL END THE THREAT OF THUNDERSTORMS OVER ALL OF THE OUTLOOK AREA BY LATE EVENING. BOWMAN
Special weather statement, Jun 11, 10:55 AM CDT, 5 hours 21 minutes before
NEZ004>010-022>029-035>038-056>059-069>071-121200- SEVERE WEATHER OUTLOOK FOR WESTERN AND NORTH CENTRAL NEBRASKA... NATIONAL WEATHER SERVICE NORTH PLATTE NE 1055 AM CDT THU JUN 11 1998 THIS OUTLOOK PERTAINS TO THE FOLLOWING NEBRASKA COUNTIES... ARTHUR BLAINE BOYD BROWN CHASE CHERRY CUSTER DEUEL FRONTIER GARDEN GARFIELD GRANT HAYES HOLT HOOKER KEITH KEYA PAHA LINCOLN LOGAN LOUP MCPHERSON PERKINS ROCK SHERIDAN THOMAS WHEELER ...STORM SPOTTER ACTIVATION IS NOT ANTICIPATED THIS AFTERNOON OR TONIGHT... THERE IS A CHANCE FOR THUNDERSTORMS THIS AFTERNOON AND INTO THIS EVENING OVER PORTIONS OF NORTH CENTRAL AND WESTERN NEBRASKA. THE GREATEST THREAT OF THUNDERSTORMS IS GENERALLY EAST OF A LINE FROM NEAR VALENTINE...TO THEDFORD...TO NORTH PLATTE...TO CURTIS. THESE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS. DRIER AND MORE STABLE AIR IS SFLOWLY MOVING INTO THE OUTLOOK AREA FROM THE WEST BEHIND A LOW PRESSURE TROUGH AS AN UPPER AIR DISTURBANCE WAS MOVING EAST OUT OF THE STATE. THIS WILL END THE THREAT OF THUNDERSTORMS OVER ALL OF THE OUTLOOK AREA BY LATE EVENING. BOWMAN
Local storm report, Jun 11, 4:12 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
412 PM CDT THU JUN 11 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0358 PM 11 NE BROWNLEE NE 0.88 INCH HAIL
06/11/98 CHERRY
BOWMANLocal storm report, Jun 11, 4:12 PM CDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
412 PM CDT THU JUN 11 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0358 PM 11 NE BROWNLEE NE 0.88 INCH HAIL
06/11/98 CHERRY
BOWMANThe office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 3:25 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 45 min |
| Jun 11, 4:09 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 31 min |
| Jun 11, 4:44 PM CDT | Severe Thunderstorm Warning | LBF | Rock | 46 min |
| Jun 11, 5:13 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 47 min |
| Jun 11, 5:58 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 47 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1998Every severe thunderstorm warning in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.