Severe Thunderstorm Warning 396, NWS Norman, OK

Issued

Jul 22, 2000, 5:49 AM CDT (10:49 UTC)

Expired

Jul 22, 2000, 6:40 AM CDT

In force

51 min

Issued by

NWS Norman, OK

Area

Whole counties; the outline is the Mesonet’s reconstruction

Counties Murray County, OK, Pontotoc County, OK

The Norman radar (KTLX), 86 km from the middle of the area, began a volume at 10:52 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.

818 
WUUS54 KOUN 221050
SVROKC
OKC099-123-221140-

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

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PONTOTOC COUNTY IN EAST CENTRAL OKLAHOMA
  MURRAY COUNTY IN SOUTHERN OKLAHOMA

* UNTIL 640 AM CDT

* AT 549 AM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
  A LINE EXTENDING FROM 19 MILES NORTH OF BYNG TO TURNER FALLS...
  MOVING EAST-SOUTHEAST AT 35 MPH.

* LOCATIONS IN THE WARNING INCLUDE ADA...BYNG...DAVIS...DOUGHERTY...
  FITTSTOWN...FRANCIS...HICKORY...ROFF...STONEWALL...SULPHUR...TURNER
  FALLS AND VANOSS

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING PARTICULARLY DAMAGING
WINDS UP TO 70 MILES AN HOUR. MOBILE HOMES AND HIGH PROFILE 
VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO HIGH WINDS AND MAY BE OVERTURNED.

LAT...LON 3491 9690 3463 9693 3463 9714 3450 9715
          3449 9735 3441 9732 3434 9700 3454 9688
          3453 9676 3454 9656 3471 9649 3488 9643

WR

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 22, 3:30 AM CDT, 2 hours 19 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
330 AM CDT SAT JUL 22 2000

NEXT MCS IN THE SERIES CONTS TO MOVE SE ALONG THETA-E RIDGE ACROSS
CWA EARLY THIS MORNING. PREVIOUS FORECAST HAD GOOD HANDLE ON THIS.
TODAYS FORECAST WILL BE WEIGHTED HEAVILY ON PREVIOUS PACKAGE AND THE
LATEST RADAR AND SATELLITE TRENDS. OTHERWISE NOT MUCH TO CHANGE.
COULD SEE A SIMILAR SETUP TONIGHT...BUT TRAJECTORIES LOOK TO KEEP
THE NEXT ONE EVEN FARTHER WEST. UPPER RIDGE CONT TO BUILD NORTH
ACROSS ROCKIES WITH A MORE NORTH/SOUTH ORIENTED FLOW. ALTHOUGH
CHANCES GET LOWER AS WE GO THROUGH EXTENDED TIME FRAME WILL KEEP
POPS GOING THROUGH SUNDAY EVERYWHERE AS PER PREVIOUS FORECAST. WITH
TIME MEDIUM RANGE MODELS WANT TO BEGIN TO SHIFT THE RIDGE BACK EAST
INTO CENTRAL/SOUTHERN PLAINS WHICH WOULD MEAN RETURN TO HOT AND
DRIER CONDITIONS BY WEEKS END AND WILL TREND THAT WAY. HOPE TO SEE
NEWEST MRF BEFORE ISSUANCE TIME...OTHERWISE NO MAJOR CHANGES
ANTICIPATED TO EXTENDED.

FCSTID = 30
PRELIMINARY CCF NUMBERS...
OKC   85  66  86  68 /  60  40  40  20
HBR   90  67  90  68 /  40  40  30  30
SPS   94  69  93  70 /  40  40  30  20
GAG   85  64  87  66 /  40  40  30  30
PNC   85  67  87  68 /  50  40  30  30
DUA   87  67  89  69 /  70  40  40  20

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

In the hours before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
235 AM CDT SAT JUL 22 2000

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

0215 AM    20 NNE MOORELAND          OK   87 MPH WIND GUST
07/22/00   WOODWARD                       MEASURED BY FREEDOM MESONET
                                          SITE WHICH IS IN WOODWARD
                                          CO.

TL

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; radar from the NEXRAD Level II archive.