Severe Thunderstorm Warning 26, NWS North Platte, NE

Issued

May 7, 2000, 6:38 PM MDT (00:38 UTC)

Expired

May 7, 2000, 7:30 PM MDT

In force

52 min

Issued by

NWS North Platte, NE

Area

Whole counties

County Keith County, NE

The North Platte radar (KLNX), 124 km from the middle of the area, began a volume at 00:42 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.

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.

606 
WUUS53 KLBF 080038
SVRLBF
NEC101-080130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
638 PM MDT SUN MAY 7 2000

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KEITH COUNTY IN SOUTHWEST NEBRASKA

* UNTIL 730 PM MDT

* AT 637 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTH OF LEMOYNE...OR ABOUT 9 MILES
  NORTH OF OGALLALA...MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  8 MILES NORTH OF OGALLALA AROUND 645 PM MDT
  NEAR KEYSTONE AROUND 650 PM MDT
  7 MILES NORTH OF ROSCOE AROUND 655 PM MDT
  5 MILES NORTH OF PAXTON AROUND 710 PM MDT

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM MDT SUNDAY EVENING FOR
WESTERN NEBRASKA.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

NWS North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 1:20 PM MDT, 5 hours 18 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
220 PM CDT SUN MAY 7 2000

VARIOUS SEVERE WEATHER PARAMETERS AND SFC FEATURES COMING TOGETHER.
CONVECTION NOW FIRING OVER CYS AREA AND ACTIVITY IS FCST TO BECOME
INTENSE AS 700MB LOW DEEPEN OVER THE DAKOTAS TONIGHT AND SFC LOW
PASSES TO OUR S OVERNIGHT.  FCST AREA IN THE WARM SECTOR AND HAVE
LEANED TOWARD SCT POPS WITH STORMS BECOMING SEVERE.

ALL MODELS HOWEVER OVERDEEPENED SFC LOW NEAR AKO BY 4 MB OR SO AT 18Z
BUT THIS IS SYMPTOMATIC OF MODEL PERFORMANCE OF LATE.  MODELS HAVE
SUFFERED TIMING PROBLEMS...GENERALLY MOVING WEAK SYSTEMS TOO FAST.
HAVE USED MESOETA FOR PDS 1 AND 2...AVN PDS 3 AND 4.  MODELS ARE IN
REASONABLE AGREEMENT TIMING WISE.  HAVE ATTEMPTED TO SLOW DOWN MODEL
SOLNS IN LATER PDS AS ANOTHER WEAK DISTURBANCE MAY MOVE THRU LATE
MONDAY NIGHT EARLY TUESDAY AND TRENDED IT MORE TOWARD TUES.

ALSO USING WARMER TEMPS...IF THE MODELS ARE TOO DEEP WITH AKO LOW...
LESS CAA WILL OCCUR MONDAY.

EXTENDED FCST...DRY WX WEDS AND THUR.  MRF INDICATES DISTURBANCE FRI
AND WENT WITH CHC POPS.

WERE IN THE INCIPIENT SEVERE WX STAGE...I HAD BETTER GO.

.LBF...NONE.

CDC

In the hours before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE, NE
649 PM CDT SUN MAY 7 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0645 PM    8 S MERRIMAN              NE   1.00 INCH HAIL
05/07/00   CHERRY

FWM

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE, NE
714 PM CDT SUN MAY 7 2000

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....+

0640 PM    8 WSW CHAPPELL            NE   1.25 INCH HAIL
05/07/00   DEUEL

FWM

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000

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.