Severe Thunderstorm Warning 217, NWS Hastings, NE

Issued

Aug 17, 2002, 12:25 AM CDT (05:25 UTC)

Expired

Aug 17, 2002, 1:30 AM CDT

In force

65 min

Issued by

NWS Hastings, NE

Area

Counties, with a storm outline in the text

County Greeley County, NE

The Grand Island radar (KUEX), 149 km from the middle of the area, began a volume at 05:25 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.

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

697 
WUUS53 KGID 170525
SVRGRI
NEC077-170630-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1224 AM CDT SAT AUG 17 2002

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREELEY COUNTY IN CENTRAL NEBRASKA

* UNTIL 130 AM CDT

* AT 1219 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 13 MILES NORTH OF GREELEY TO 12
  MILES WEST OF GREELEY...OR FROM 50 MILES SOUTH OF ONEILL TO
  49 MILES EAST OF BROKEN BOW...MOVING SOUTHEAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  GREELEY AT 1230 AM CDT

HAIL TO THE SIZE OF QUARTERS IS LIKELY WITH THIS STORM.

PEOPLE IN GREELEY COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

LAT...LON 4186 9844 4172 9870 4168 9873 4139 9870
          4145 9833

NNNN

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 16, 9:57 PM CDT, 2 hours 28 minutes earlier.

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
957 PM CDT FRI AUG 16 2002

JUST A SHORT UPDATE TO THROW OUT A WIND ADVISORY AS BUFFER ZONE FOR
NORTHWEST CWFA. FRONT IS DRIVING ITS WAY TOWARD THE CWFA AND SHOULD
ARRIVE NEAR MIDNIGHT NORTHWEST SECTIONS. STRONG ISALLOBARIC COMPONENT
WITH PRESSURE RISES WILL AID IN HIGHER WIND SPEEDS. ADVISORY
CRITERIA APPEARS AT LEAST A CERTAINTY IN THOSE AREAS FOR 2 TO 5
HOURS MAYBE ACROSS AREAS FURTHER SOUTHEAST.

NO MAJOR CHANGES OTHERWISE. PROVIDED SOME TIMING OF STORMS AS FRONT
IS STILL EXPECT TO OVERCOME STRONG CAP...BUT POSSIBLY JUST A BIT
FURTHER SOUTHEAST.

.GID...WIND ADVISORY FOR THE OVERNIGHT HOURS NORTH OF A HOLDREGE TO
GRAND ISLAND TO POLK LINE.

MORITZ

In the hours before

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-171200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
1142 PM CDT FRI AUG 16 2002

...SPOTTER ACTIVATION WILL BE REQUIRED TONIGHT OVER SOUTH CENTRAL
NEBRASKA AND NORTH CENTRAL KANSAS...

AS EXPECTED...AN ERUPTION OF THUNDERSTORMS IN CENTRAL NEBRASKA WILL
LEAD TO A LINE OF STRONG TO SEVERE THUNDERSTORMS ACROSS SOUTH CENTRAL
NEBRASKA AND NORTH CENTRAL KANSAS OVERNIGHT.

A COLD FRONT PLOWING INTO A VERY UNSTABLE AIRMASS ACROSS THE REGION
WILL MOVE RAPIDLY SOUTHEAST OVERNIGHT. A LINE OF THUNDERSTORMS
CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF 60 MPH...AND HAIL TO
THE SIZE OF GOLF BALLS...WILL MOVE ACROSS THE AREA. BETWEEN MIDNIGHT
AND 2 AM...AREAS NORTH OF INTERSTATE 80 IN SOUTH CENTRAL NEBRASKA
WILL HAVE THE BEST SHOT AT SEVERE WEATHER. BETWEEN 2 AND 5 AM...THE
RISK FOR SEVERE STORMS WILL SPREAD SOUTH TO THE KANSAS BORDER...AND
EVENTUALLY INTO NORTH CENTRAL KANSAS BY DAWN. A SEVERE THUNDERSTORM
WATCH IS IN EFFECT FOR ALL OF SOUTH CENTRAL NEBRASKA UNTIL 5 AM.

IT IS LIKELY SOME SPOTTER GROUPS WILL NEED TO BE DEPLOYED TONIGHT.
ALL RESIDENTS OF SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS...
SHOULD CONTINUE TO REMAIN VIGILANT TO THE POSSIBILITY OF SEVERE
WEATHER DURING THE NIGHT.

THIS FAST MOVING COLD FRONT WILL EXIT THE REGION EARLY SATURDAY
MORNING...LEAVING A MUCH COOLER AND DRYER AIRMASS IN PLACE.

MORITZ

Severe Thunderstorm Warnings in Nebraska, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.