Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 124, NWS North Platte, NE

August 7, 1994Hooker County, McPherson County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 7, 1994, 6:19 PM MDT for Hooker County, McPherson County, Nebraska. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 7, 1994, 6:19 PM MDT (00:19 UTC)
Expired
Aug 7, 1994, 7:00 PM MDT
In force
41 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Hooker County, NE, McPherson County, NE

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 0.3 hours before the alert went out and 275 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.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 00:00Z on 1994-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 104 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1994-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -44 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
104 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
3676 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-44 m²/s²
0-3 km storm-relative helicity
-89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Aug 7, 4:49 PM MDT, 1 hour 30 minutes before
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Special weather statement, Aug 7, 4:49 PM MDT, 1 hour 30 minutes before
NEZ023>025-035>038-057>059-072350-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
550 PM CDT (450 PM MDT) SUN AUG 7 1994

...SEVERE THUNDERSTORM WATCH FOR ALL OF SOUTHWEST AND WEST CENTRAL
   NEBRASKA UNTIL MIDNIGHT CDT EXCEPT FOR CHASE...HAYES AND FRONTIER
   COUNTIES...

VERY STRONG THUNDERSTORMS WERE LOCATED IN THE PANHANDLE JUST WEST OF
GRANT COUNTY OF WEST CENTRAL NEBRASKA.  THESE STORMS WERE ABOUT 25
MILES WEST OF ASHBY.  ASHBY IS ABOUT 40 MILES EAST OF ALLIANCE.  THESE
STORMS ARE MOVING EAST AT 15 MILES AN HOUR AND WILL BE MOVING INTO THE
ASHBY...HYANNIS AND WHITMAN AREAS BEFORE 530 PM MDT.  RESIDENTS OF THESE
COMMUNITIES SHOULD BE PREPARED TO MOVE TO A PLACE OF SAFETY AS THESE
STORMS APPROACH.

SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...GUSTY WINDS...DEADLY
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

MONSON



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Special weather statement, Aug 7, 5:21 PM MDT, 58 minutes before
NEZ023>025-035>038-057>059-080025-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
623 PM CDT (523 PM MDT) SUN AUG 7 1994

...SEVERE THUNDERSTORM WATCH FOR ALL OF SOUTHWEST AND WEST CENTRAL
   NEBRASKA UNTIL MIDNIGHT CDT EXCEPT FOR CHASE...HAYES AND FRONTIER
   COUNTIES...

VERY STRONG THUNDERSTORMS WITH POSSIBLE PEA TO MARBLE SIZE HAIL WERE
NORTHWEST OF MULLEN AND WEST OF ASHBY...HYANNIS AND WHITMAN.
THESE STORMS WERE MOVING SOUTHEAST 15 MILES AN HOUR AND WILL MOVE
THROUGH THESE COMMUNITIES DURING THE NEXT HOUR.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

STASSER
Special weather statement, Aug 7, 5:25 PM MDT, 54 minutes before
NEZ005-080030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
523 PM MDT (845 PM CDT) SAT AUG 6 1994

...A FEW THUNDERSTORMS MOVING THROUGH CHERRY COUNTY...

AT 522 PM MDT RADAR SHOWED A FEW THUNDERSTORMS MOVING THROUGH CHERRY
COUNTY IN NORTHERN CENTRAL NEBRASKA. THE STRONGEST STORM WAS LOCATED
40 MILES SOUTHWEST OF VALENTINE NEBRASKA. THE STORM WAS MOVING TO THE
SOUTHEAST AT 15 MPH.

HEAVY RAIN...GUSTY WIND...AND SMALL HAIL MAY BE PRODUCED BY THESE STORMS
AS THEY MOVE OVER SOUTHERN CHERRY COUNTY THROUGH 630 PM MDT.
EASTLACK
Special weather statement, Aug 7, 5:28 PM MDT, 51 minutes before
NEZ005-080030-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
523 PM MDT (845 PM CDT) SAT AUG 6 1994

...A FEW THUNDERSTORMS MOVING THROUGH CHERRY COUNTY...

AT 522 PM MDT RADAR SHOWED A FEW THUNDERSTORMS MOVING THROUGH CHERRY
COUNTY IN NORTH CENTRAL NEBRASKA. THE STRONGEST STORM WAS LOCATED
40 MILES SOUTHWEST OF VALENTINE NEBRASKA. THE STORM WAS MOVING TO THE
SOUTHEAST AT 15 MPH.

HEAVY RAIN...GUSTY WIND...AND SMALL HAIL MAY BE PRODUCED BY THESE STORMS
AS THEY MOVE OVER SOUTHERN CHERRY COUNTY THROUGH 630 PM MDT.
EASTLACK
Special weather statement, Aug 7, 5:40 PM MDT, 39 minutes before
NEZ023>025-035>038-057>059-080045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
642 PM CDT (542 PM MDT) SUN AUG 7 1994

RADAR INDICATED VERY STRONG THUNDERSTORMS NORTH OF MULLEN AND EAST OF
HYANNIS.  THESE THUNDERSTORMS CONTAIN HEAVY RAIN...GUSTY WINDS AND PEA
TO MARBLE SIZE HAIL.  THESE STORMS WERE MOVING SOUTHEAST 15 MILES AN
HOUR AND WILL MOVE THROUGH THE OPEN COUNTRY OF WESTCENTRAL NEBRASKA.

AT SIGNS OF AN IMPENDING STORM...TOWERING THUNDERHEADS...DARKENING
SKIES...LIGHTNING AND INCREASING WINDS...MOVE TO A PLACE OF SAFETY.

STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE
LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.

STASSER

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 6:08 PM MDTSevere Thunderstorm WarningLBFMcPherson52 min
Aug 7, 7:00 PM MDTSevere Thunderstorm WarningLBFMcPherson60 min
Aug 7, 7:00 PM MDTSevere Thunderstorm WarningLBFChase60 min
Aug 7, 7:09 PM MDTSevere Thunderstorm WarningLBFChase, Perkins66 min
Aug 7, 8:03 PM MDTSevere Thunderstorm WarningLBFKnox30 min
Aug 7, 8:03 PM MDTSevere Thunderstorm WarningLBFAntelope, Pierce52 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994

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.