Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 196, NWS Amarillo, TX

October 8, 2001Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Oct 8, 2001, 4:33 PM CDT for Beaver County, Oklahoma. It was in force for 27 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: Oct 8, 2001, 4:33 PM CDT (21:33 UTC)
Expired: Oct 8, 2001, 5:00 PM CDT
In force: 27 min
Issued by: NWS Amarillo, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 102 km from the middle of the area, began a volume at 21:32 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

Dodge City, (KDDC), launched 12:00Z, 9.6 hours before the alert went out and 105 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4 J/kg
Mixed-layer CIN: -661 J/kg
Mixed-layer LCL: 1701 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

473 
WUUS54 KAMA 082133
SVRAMA
OKC007-082200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
433 PM CDT MON OCT 8 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN BEAVER COUNTY IN THE OKLAHOMA PANHANDLE

* UNTIL 500 PM CDT

* AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF KNOWLES...OR ABOUT 14
  MILES EAST OF BEAVER...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS AFFECTED BY THE STORM INCLUDE...
  BEAVER...KNOWLES AND GATE

LARGE HAIL...DAMAGING WINDS...AND TORRENTIAL RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3699 10054 3674 10052 3674 10000 3700 10003

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 8, 2:26 PM CDT, 2 hours 7 minutes earlier.

Area forecast discussion, Oct 8, 2:26 PM CDT, 2 hours 7 minutes before

TEXAS/OKLAHOMA PANHANDLES FORECAST DISCUSSION
NATIONAL WEATHER SERVICE AMARILLO TX
226 PM CDT MON OCT 8 2001

ELEVATED SHOWERS AND T-STORMS OUT THE WINDOW SHOWS THE MID LEVEL
LIFT AND MOISTURE VERY WELL.  SURFACE MOISTURE IS RETURNING
ACROSS THE EASTERN PANHANDLES AND WESTERN OKLAHOMA TODAY. SURFACE
TROUGH SHOULD REMAIN ACROSS SOUTHEAST COLORADO INTO EASTERN NEW
MEXICO TONIGHT. THE TROUGH WILL THEN PUSH EAST ACROSS THE
PANHANDLES ON TUESDAY AFTERNOON AS UPPER WAVE FROM ARIZONA MOVES
NORTHEAST ACROSS THE CWA.  OVER ALL...BEST CHANCE POPS LOOK GOOD FOR
THE EAST THROUGH TUESDAY NIGHT AS THE BEST MOISTURE AND BEST
DIVERGENCE ALOFT IS FOUND THERE.

COLD FRONT IS EXPECTED TO MOVE THROUGH THE PANHANDLES TUESDAY NIGHT
INTO EARLY WEDNESDAY. WEDNESDAY SHOULD BE A MUCH COOLER DAY AND WE
WILL PROBABLY MENTION A BIT CLOUDIER DAY THAN THE CURRENT
FORECAST. WE WILL LEAVE THE SLIGHT CHANCE POPS IN AS DYNAMICS ALOFT
MAY HELP WITH UPSLOPE ON THE SURFACE TO SQUEEZE OUT SOME SHOWERS.

WILL NOT CHANGE MUCH TO THE FORECAST BEYOND WEDNESDAY AS IT HAS THE
SITUATION COVERED WELL.  THE MEDIUM RANGE MODELS ALSO DO NOT AGREE
TOO WELL ON FRIDAY AND SATURDAY...SO WILL CONTINUE WITH PERSISTENCE.

A FEW NUMBERS TO PONDER:

AMA 55/82 49/61 39 202
DHT 52/79 47/58 37 202
BVR 59/84 52/62 39 423

.AMA...
TX...NONE.
OK...NONE.

GOEHRING

In the hours before

Local storm report, Oct 8, 4:01 PM CDT, 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
401 PM CDT MON OCT 8 2001

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

0350 PM    20 NW MIAMI             TX     PICKENS RANCH GROUND COVERED
10/08/01   ROBERTS                        WITH HAIL UP TO QUARTER SIZE.

DAVIS

Local storm report, Oct 8, 4:20 PM CDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
420 PM CDT MON OCT 8 2001

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

0350 PM    20 NW MIAMI               TX   1.00 INCH HAIL
10/08/01   ROBERTS                        PICKENS RANCH GROUND
                                          COVERED WITH HAIL.

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2001 Every 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.