Severe Thunderstorm Warning 370, NWS Norman, OK

Issued

Jul 22, 2000, 1:38 AM CDT (06:38 UTC)

Expired

Jul 22, 2000, 2:30 AM CDT

In force

52 min

Issued by

NWS Norman, OK

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Ellis County, OK, Harper County, OK, Woodward County, OK

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.

900 
WUUS54 KOUN 220640
SVROKC
OKC045-059-153-220730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
138 AM CDT SAT JUL 22 2000

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN AND CENTRAL ELLIS COUNTY IN NORTHWEST OKLAHOMA
  CENTRAL AND EASTERN HARPER COUNTY IN NORTHWEST OKLAHOMA
  WESTERN WOODWARD COUNTY IN NORTHWEST OKLAHOMA

* UNTIL 230 AM CDT

* AT 138 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
  A LINE EXTENDING FROM 7 MILES WEST OF BUFFALO TO 10 MILES NORTHWEST
  OF CATESBY...MOVING SOUTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUFFALO...CATESBY...FARGO...FORT
  SUPPLY...GAGE...MAY...SELMAN...SHATTUCK AND WOODWARD

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING PARTICULARLY DAMAGING
WINDS UP TO 75 MPH. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY
SUSCEPTIBLE TO HIGH WINDS AND MAY BE OVERTURNED.

LAT...LON 3699 9953 3657 10005 3618 10002 3619 9961
          3641 9934 3662 9923 3684 9932

WR

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 21, 11:21 PM CDT, 2 hours 17 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1121 PM CDT FRI JUL 21 2000

MAIN SHOW IS FINALLY SHOWING ITSELF TO THE NORTHWEST OF DODGE CITY.
AREA PROFILERS SHOW 850 LLJ NOW DEVELOPING RAPIDLY INTO SW KS/NW
OK..AND SEE NO REASON WHY ANOTHER SEVERE WIND PRODUCING MCS WILL NOT
BLAST SEWD ACROSS THE CWA OVERNITE.  UPDATED ZONES WERE JUST SENT TO
REFLECT THIS THINKING AND TSTORM OUTLOOK WILL BE UPDATED SHORTLY TO
INCLUDE A MODERATE RISK OF SVR ACROSS NRN OKLAHOMA WITH A PRIMARY
THREAT OF WIDESPREAD WIND DAMAGE.
 MILLER

.OUN...
OK...NONE.
TX...NONE.

In the hours before

OKZ004>048-050>052-TXZ083>090-220630-

THUNDERSTORM OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE NORMAN OK
1137 PM CDT FRI JUL 21 2000

THERE IS A MODERATE RISK SEVERE THUNDERSTORMS OVERNIGHT ACROSS
PORTIONS OF NORTHERN AND CENTRAL OKLAHOMA...TO THE WEST AND NORTH OF
A LINE FROM MEDFORD...TO CHANDLER...TO CHICKASHA...TO ERICK. THERE
IS A SLIGHT RISK OF SEVERE STORMS EVERYWHERE ELSE NORTH OF THE RED
RIVER.

DISCUSSION...A CLUSTER OF SEVERE THUNDERSTORMS RAPIDLY INTENSIFYING
AT 1130 PM ACROSS KANSAS WILL MOVE RAPIDLY SOUTHEAST AT 40 TO 50 MPH
ACROSS MUCH OF OKLAHOMA OVERNIGHT TONIGHT.  THUNDERSTORMS WILL
PUSH INTO NORTHWEST OKLAHOMA BETWEEN MIDNIGHT AND 1 AM...AND SHOULD
APPROACH INTERSTATE 40 BY BETWEEN 3 AM AND 4 AM.  DAMAGING WIND
GUSTS FROM 60 TO 90 MPH WILL BE THE PRIMARY THREAT FROM THIS CLUSTER
OF STORMS.  AT THIS TIME IT APPEARS THAT THE AREAS MOST AT RISK FOR
SEEING THE WORST OF THE STORMS WILL BE ALONG A 60 MILE WIDE CORRIDOR
CENTERED ROUGHLY FROM BUFFALO...TO WOODWARD...TO WATONGA AND
WEATHERFORD...TO CHICKASHA AND ANADARKO.

EMERGENCY MANAGER AND STORM SPOTTER ACTIVATION WILL BE REQUIRED
OVERNIGHT TONIGHT ACROSS MUCH OF NORTHERN AND CENTRAL OKLAHOMA.

 MILLER

Severe Thunderstorm Warnings in Oklahoma, 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.