Alert archive / Nebraska / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 49, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 1991, 12:03 AM CDT for Platte County, Nebraska. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 14, 1991, 12:03 AM CDT (05:03 UTC)
- Expired
- Jun 14, 1991, 12:45 AM CDT
- In force
- 42 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Platte County, NE
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 5.1 hours before the alert went out and 100 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
- 1980 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 309 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 140506 COR
SVROFK
NEC141-140545-
BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTED LAST PARAGRAPH
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
1203 AM CDT FRI JUN 14 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1245 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE NORTHEAST PART OF NEBRASKA
PLATTE
AT 1158 PM CDT NORFOLK RADAR INDICATED A SEVERE THUNDERSTORM ABOUT
25 MILES WESTNORTHWEST OF COLUMBUS...OR 5 MILES SOUTHWEST OF
LINDSAY. THE STORM LIKELY CONTAINS LARGE HAIL AND IS MOVING
EAST AT 15 MPH.
VERY HEAVY RAIN IS ALSO OCCURRING WITH THE STORMS IN PLATTE COUNTY.
BE ALERT FOR POSSIBLE FLOODING.
PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INSIDE A STRONG
BUILDING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS QUICKLY FLOOD
ROADWAYS...DO NOT DRIVE INTO WATER COVERED ROADWAYS.
A SEVERE THUNDERSTORM WATC7H IS IN EFFECT FOR MUCH OF NORTHEAST
NEBRASKA UNTIL 3 AM CDT...AND A FLASH FLOOD WATCH IS IN EFFECT
FOR NORTHEAST NEBRASKA THROUGH THE NIGHTTIME HOURS.
MILLERWhat 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.
In the hours before
Special weather statement, Jun 13, 9:49 PM CDT, 2 hours 14 minutes before
NEZ006-140350- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 850 PM MDT THU JUN 13 1991 ...SEVERE THUNDERSTORM WATCH FOR ARTHUR AND GRANT COUNTIES UNTIL 11 PM MDT... AT 845 PM MDT...RADAR SHOWED THUNDERSTORMS WITH BRIEF HEAVY RAIN AND POSSIBLY SMALL HAIL 15 MILES SOUTHWEST OF HYANNIS...OR 70 MILES NORTHWEST OF NORTH PLATTE. THE STORM WAS MOVING EAST AT 15 MPH. THIS THUNDERSTORM WILL BE MOVING ACROSS GRANT COUNTY DURING THE NEXT HOUR. PERSONS IN HYANNIS AND WHITMAN CAN EXPECT BRIEF HEAVY RAIN... SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING WITH THIS STORM. IF THREATENING WEATHER APPROACHES...MOVE TO A PLACE OF SHELTER. WALAWENDER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 10:56 PM CDT | Severe Thunderstorm Warning | LBF | Platte | 64 min |
| Jun 14, 4:32 PM CDT | Severe Thunderstorm Warning | LBF | Pierce | 58 min |
| Jun 14, 4:48 PM CDT | Severe Thunderstorm Warning | LBF | Cedar, Wayne | 27 min |
| Jun 14, 5:18 PM CDT | Severe Thunderstorm Warning | LBF | Cedar, Pierce, Wayne | 57 min |
| Jun 14, 5:57 PM CDT | Severe Thunderstorm Warning | LBF | Cedar, Madison, Pierce, Wayne | 78 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1991Every severe thunderstorm warning in 1991
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.