Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 327, NWS Tulsa, OK

August 10, 2001Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 10, 2001, 6:58 PM CDT for Pushmataha County, Oklahoma. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Aug 10, 2001, 6:58 PM CDT (23:58 UTC)
Expired
Aug 10, 2001, 7:45 PM CDT
In force
47 min
Issued by
NWS Tulsa, OK
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 154 km from the middle of the area, began a volume at 00:02 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.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 12.0 hours before the alert went out and 175 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, Norman, OK at 12:00Z on 2001-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 343 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2001-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -98 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
343 J/kg
Mixed-layer CIN
-204 J/kg
Mixed-layer LCL
1575 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-98 m²/s²
0-3 km storm-relative helicity
-119 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

227 
WUUS54 KTSA 102359
SVRTUL
OKC127-110045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
658 PM CDT FRI AUG 10 2001

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 745 PM CDT

* AT 658 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 
  MILES NORTHWEST OF KOSOMA...MOVING SLOWLY EAST AT 5 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...JUMBO AND 
  KOSOMA.

HAIL TO THE SIZE OF NICKELS AND WIND GUSTS TO 65 MPH CAN BE EXPECTED IN
THE WARNED AREA.

LAT...LON 3454 9580 3441 9583 3433 9560 3452 9556

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 3:30 PM CDT, 3 hours 28 minutes earlier.

Area forecast discussion, Aug 10, 3:30 PM CDT, 3 hours 28 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
330 PM CDT FRI AUG 10 2001

THUNDERSTORMS DEVELOPING ACROSS THE CWA AT THIS TIME.  TEMPERATURES
CLIMBED QUITE NICELY TODAY AS SKIES REMAINED PARTLY CLOUDY INSTEAD
OF MOSTLY CLOUDY.  FRONT STALLED ACROSS NORTHERN PORTION OF CWA
DURING THE AFTERNOON HOURS.

FRONT POSITION SHOULD REMAIN ACROSS THE CWA TONIGHT MOVING A LITTLE
FURTHER SOUTH.  THIS WILL KEEP CHANCE POPS GOING FOR TONIGHT INTO
TOMORROW.  FRONTAL POSITION AND CLOUDS WILL REALLY PLAY INTO
TEMPERATURE FORECAST NEXT COUPLE OF DAYS AS WELL.  DRYING MOVING
INTO THE AREA ON SUNDAY FROM THE NORTH SO WILL BEGIN TO DRY THINGS
OUT.

EXTENDED STILL LOOKS DRY UNTIL THURSDAY INTO FRIDAY AS NEXT FRONTAL
SYSTEM MOVES SOUTH INTO THE AREA.  WILL INTRODUCE POPS ON FRIDAY FOR
NOW AS IT APPEARS TO BE THE MORE LIKELY DAY AT THIS TIME.

HOWIESON
FCSTID = 44

...PRELIMINARY NUMBERS CHANGES LIKELY...
TUL   70  92  71  93 /  30  30  20  20
FSM   71  93  71  95 /  40  40  30  20
MLC   71  94  72  94 /  40  40  30  20
BVO   66  89  67  90 /  30  30  20  10
FYV   65  87  66  89 /  30  30  20  20
BYV   65  87  66  89 /  30  30  20  20
MIO   67  88  67  87 /  30  30  20  20
MKO   70  92  71  93 /  30  30  20  20
F10   70  92  71  93 /  30  30  20  20
HHW   75  97  74  96 /  40  40  30  30

.TSA...
AR...NONE.
OK...NONE.

In the hours before

Local storm report, Aug 10, 1:08 PM CDT, 5 hours 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
108 PM CDT FRI AUG 10 2001

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

0740 PM    1 N BLUEJACKET            OK    WIND DAMAGE
08/09/01   CRAIG                           TRAILER HOUSE ELEVATED
                                           FOR TRANSPORTING ROLLED
                                           OVER AND TREE DAMAGE
                                           RPTD BY EM.

TL
Local storm report, Aug 10, 5:08 PM CDT, 1 hour 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
508 PM CDT FRI AUG 10 2001

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

0315 PM    WINSLOW                   AR    1 INCH HAIL
08/10/01   WASHINGTON

0420 PM    LINCOLN                   AR    WIND DAMAGE
08/10/01   WASHINGTON                      TREES BLOWN DOWN ON
                                           POWER LINES

0450 PM    9 E HALLETT               OK    .75 INCH HAIL
08/10/01   PAWNEE

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 10, 3:02 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee43 min
Aug 10, 3:08 PM CDTSevere Thunderstorm WarningTSACherokee52 min
Aug 10, 3:32 PM CDTSevere Thunderstorm WarningTSAMuskogee43 min
Aug 10, 4:03 PM CDTSevere Thunderstorm WarningTSAMcIntosh42 min
Aug 10, 4:41 PM CDTSevere Thunderstorm WarningTSACreek, Pawnee49 min
Aug 10, 5:55 PM CDTSevere Thunderstorm WarningTSAOkfuskee35 min
Aug 10, 6:12 PM CDTFlash Flood WarningTSAOkfuskee93 min
Aug 10, 6:26 PM CDTSevere Thunderstorm WarningTSAOkfuskee49 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2001Every severe thunderstorm warning in 2001

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; radar from the NEXRAD Level II archive.