Alert archive / Nebraska / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 21, NWS North Platte, NE

August 3, 1988Keith County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Aug 3, 1988, 2:41 PM MDT for Keith County, Nebraska. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Aug 3, 1988, 2:41 PM MDT (20:41 UTC)
Expired
Aug 3, 1988, 3:45 PM MDT
In force
64 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Keith County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.7 hours before the alert went out and 89 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, N. Platte/Lee Bi, NE at 12:00Z on 1988-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2040 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 1988-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.1939Sfc1 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
2040 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
1245 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
79 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 032041
SVRLBF
NEC101-032145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
241 PM MDT WED AUG 3 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 345 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF NEBRASKA
      CENTRAL AND EASTERN KEITH

AT 237 PM MDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES EAST
OF OGALLALA MOVING NORTHEAST AT 20 MILES AN HOUR.  OGALLALA
POLICE REPORTED MARBLE SIZE HAIL ALONG WITH 40 TO 60 MILE AN HOUR
WINDS 4 MILES EAST OF OGALLALA.  THIS WOULD BE ABOUT 40 MILES
WEST OF NORTH PLATTE.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A
TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT!!

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 3, 12:35 PM MDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
135 AM CDT WED AUG 3 1988

...SERVER THUNDERSTORM WARMING REMAINS IN EFFECT UNTILL 205 PM CDT FOR
EASTERN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA...

AT 125 PM CDT RADAR SHOWED A SERVER THUNDERSTORM JUST NORTH OF MERRITT
RESERVOIR MOVING NORTHEAST AT 25 MPH.

MERRITT RESERVOIR TRADING POST REPORTED RECEIVING 11/4 INCH HAIL
(GULFBALL SIZE) FROM 110 PM TO 125 PM CDT.

THIS S!TORM IS HEADING FOR THE VALENTINE AREA...PERSONS IN THE PATH OF
THIS STORM AND RESIDENTS OF VALENTINE SHOULD SEEK SHELTER NOW.

RODDA
Special weather statement, Aug 3, 1:15 PM MDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
210 PM CDT WED AUG 3 1988

...SEVERE THUNDERSTORM WARMING WAS ALLOWED TO EXPIRED AT 205 PM CDT
FOR EASTERN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA...

AT 205 PM CDT RADAR SHOWED THAT THE SEVERE THUNDERSTORMS THAT WERE
OVER EASTERN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA HAD DECREASED IN
INTENSITY.  THERE IS A LINE OF THUNDERSTORMS FROM NORTHEAST CORNER OF
CHERRY COUNTY TO 45 MILES SOUTHWEST OF VALENTINE. THESE THUNDERSTORMS
ARE MOVING EASTNORTHEAST AT 25 MILE AN HOUR.

THESE THUNDERSTORMS STILL CONTAIN HEAVY RAIN AND DANGEROUS LIGHTNING.
PERSONS IN THE PATH OF THESE THUNDERSTORMS SHOULD STAY ALART TO THE
CHANGING WEATHE`R CONDITIONS THAT COULD OCCURE.

RODDA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 12:05 PM MDTSevere Thunderstorm WarningLBFCherry60 min
Aug 3, 12:51 PM MDTSevere Thunderstorm WarningLBFGrant69 min
Aug 3, 1:49 PM MDTSevere Thunderstorm WarningLBFKeya Paha41 min
Aug 3, 2:17 PM MDTSevere Thunderstorm WarningLBFThomas58 min
Aug 3, 2:20 PM MDTSevere Thunderstorm WarningLBFCherry60 min
Aug 3, 2:50 PM MDTSevere Thunderstorm WarningLBFBrown, Keya Paha42 min
Aug 3, 3:25 PM MDTTornado WarningLBFLincoln50 min
Aug 3, 3:32 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt58 min
Aug 3, 3:32 PM MDTSevere Thunderstorm WarningLBFRock23 min
Aug 3, 3:55 PM MDTSevere Thunderstorm WarningLBFChase65 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1988Every severe thunderstorm warning in 1988

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.