Alert archive / Nebraska / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 2, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Apr 11, 1991, 7:34 PM CDT for Boone County, Madison County, Nebraska. It was in force for 36 min.
The area
The counties it named.
The facts
- Issued
- Apr 11, 1991, 7:34 PM CDT (00:34 UTC)
- Expired
- Apr 11, 1991, 8:10 PM CDT
- In force
- 36 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
Counties Boone County, NE, Madison County, NE
The nearest sounding before it
Omaha, NE (KOVN), launched 00:00Z, 0.6 hours before the alert went out and 134 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
- 609 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 435 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KOFK 120034
SVROFK
NEC011-119-120130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
734 PM CDT THU APR 11 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHEAST PART OF NEBRASKA
NORTHERN BOONE...WESTERN MADISON
AT 730 PM CDT THE NORFOLK RADAR INDICATED A SEVERE THUNDERSTORM
IN NORTHERN BOONE COUNTY OF NORTHEAST NEBRASKA ABOUT 5 MILES
SOUTHEAST OF PETERSBURG OR ABOUT 38 MILES SOUTHWEST OF NORFOLK.
THIS STORM WAS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE
INSIDE...STAY AWAY FROM WINDOWS.
.
PEOPLE IN THE WARNED AREA SHOULD MOVE INSIDE A STRONG BUILDING. DO
NOT STAND NEAR WINMDOWS. DO NOT USE ELECTRICAL APPLIANCES OR
TELEPHONES UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD AVOID
LOW WATER CROSSINGS.
NO WATCHES ARE IN EFFECT FOR NORTHEAST NEBRASKA AT PRESENT.
VA 120032ZWhat 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, Apr 11, 3:52 PM CDT, 3 hours 42 minutes before
NEZ012-112150- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 350 PM CDT WED APR 10 1991 ...TORNADO WATCH FOR SOUTHWEST NEBRASKA UNTIL 1000 PM CDT... AT 345 PM CDT...RADAR SHOWED A DEVELOPING THUNDERSTORM WITH HEAVY RAIN 10 MILES NORTHWEST OF NORTH PLATTE. THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE THROUGH NORTHEASTERN LINCOLN COUNTY DURING THE NEXT HOUR. PERSONS IN THE PATH OF THIS STORM CAN E%XPECT BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL AS IT MOVES THROUGH NORTHWEST LINCOLN COUNTY. WALAWENDER
Special weather statement, Apr 11, 3:57 PM CDT, 3 hours 37 minutes before
NEZ012-112150- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE NORTH PLATTE NE 350 PM CDT WED APR 10 1991 ...TORNADO WATCH FOR SOUTHWEST NEBRASKA UNTIL 1000 PM CDT... AT 345 PM CDT...RADAR SHOWED A DEVELOPING THUNDERSTORM WITH HEAVY RAIN 10 MILES NORTHWEST OF NORTH PLATTE. THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE THROUGH NORTHEASTERN LINCOLN COUNTY DURING THE NEXT HOUR. PERSONS IN THE PATH1 OF THIS STORM CAN EXPECT BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL AS IT MOVES THROUGH NORTHEAST LINCOLN COUNTY. WALAWENDER
Special weather statement, Apr 11, 4:47 PM CDT, 2 hours 47 minutes before
NEZ006-012-112245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 445 PM CDT WED APR 10 1991 ...TORNADO WATCH FOR SOUTHWEST NEBRASKA UNTIL 1000 PM CDT... AT 440 PM CDT...RADAR SHOWED THUNDERSTORMS WITH HEAVY RAIN FROM 10 MILES WEST OF TRYON TO 10 MILES SOUTH OF THEDFORD...OR FROM 35 MILES NORTHWEST TO 40 MILES NORTH OF NORTH PLATTE. THE STORMS WERE MOVING NORTH NORTHEAST AT 35 MPH. THESE STORMS WILL MOVE THROUGH MCPHERSOlN...HOOKER AND THOMAS COUNTIES DURING THE NEXT HOUR. PERSONS IN THE PATH OF THESE STORMS CAN EXPECT BRIEF HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL AS THEY MOVE THROUGH WEST CENTRAL NEBRASKA. WALAWENDER
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 1:31 AM CDT | Severe Thunderstorm Warning | LBF | Holt | 59 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.