Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 700, NWS Norman, OK

October 21, 1996Choctaw County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Oct 21, 1996, 2:53 AM CDT for Choctaw County, Oklahoma. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Oct 21, 1996, 2:53 AM CDT (07:53 UTC)
Expired: Oct 21, 1996, 4:00 AM CDT
In force: 67 min
Issued by: NWS Norman, OK
Area: Whole counties

County Choctaw County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 7.9 hours before the alert went out and 215 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: 2190 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1232 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 20, 10:28 PM CDT, 4 hours 25 minutes earlier.

Area forecast discussion, Oct 20, 10:28 PM CDT, 4 hours 25 minutes before

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In the hours before

Local storm report, Oct 20, 9:11 PM CDT, 5 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
915 PM CDT SUN OCT 20 1996

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

907d-912 PM LAWTON                     OK   1.75 INCH HAIL.
10/20/96   COMANCHE

MCCAMMON

Local storm report, Oct 20, 9:28 PM CDT, 5 hours 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
930 PM CDT SUN OCT 20 1996

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

824 PM     3 SW SYNDER                OK  2 SHEDS...25 FT. BY 30 FT.
10/20/96   KIOWA/TILLMAN LINE             AND 25 FT. BY 50 FT. BLEW INTO
                                          THE WEST AND NORTH SIDE OF A
                                          HOUSE.  AS BOTH SHEDS WERE
                                          MOVING...THEY SMASHED A PARKED
                                          CAR.  NUMEROUS BOARDS ALSO
                                          BLEW INTO SAME HOUSE.
                                          ESTIMATED DAMAGE AT
                                          $50-75,000.  POWER LINES ALSO
                                          DOWN AT SAME LOCATION.

MCCAMMON

Local storm report, Oct 20, 9:41 PM CDT, 5 hours 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
942 PM CDT SUN OCT 20 1996

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

937 PM     2 NE MARLOW                OK  1.00 INCH HAIL.
10/20/96   STEPHENS/GRADY LINE

939 PM     2 N DOUGHERTY              OK  70 MPH WIND.
10/20/96   MURRAY

MCCAMMON

Local storm report, Oct 20, 10:24 PM CDT, 4 hours 29 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 20, 7:07 PM CDT	Tornado Warning	OUN	Stephens	38 min
Oct 20, 7:43 PM CDT	Tornado Warning	OUN	Carter, Stephens	32 min
Oct 20, 8:07 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	53 min
Oct 20, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Kiowa, Tillman	47 min
Oct 20, 8:15 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	45 min
Oct 20, 8:15 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	45 min
Oct 20, 8:26 PM CDT	Severe Thunderstorm Warning	OUN	Logan	49 min
Oct 20, 8:30 PM CDT	Flash Flood Warning	OUN	Stephens	3 hr
Oct 20, 8:55 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	50 min
Oct 20, 8:59 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray	46 min
Oct 20, 9:00 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	45 min
Oct 20, 9:15 PM CDT	Tornado Warning	OUN	Murray	30 min
Oct 20, 9:20 PM CDT	Severe Thunderstorm Warning	OUN	Grady, Stephens	40 min
Oct 20, 9:40 PM CDT	Flash Flood Warning	OUN	Murray	3 hr
Oct 20, 9:40 PM CDT	Severe Thunderstorm Warning	OUN	Payne	50 min
Oct 20, 9:43 PM CDT	Tornado Warning	OUN	Murray	32 min
Oct 20, 9:47 PM CDT	Severe Thunderstorm Warning	OUN	Carter	43 min
Oct 20, 9:49 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma	41 min
Oct 20, 9:57 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, McClain, Stephens	48 min
Oct 20, 10:02 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Pontotoc	43 min
Oct 20, 10:26 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Murray	49 min
Oct 20, 10:26 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	49 min
Oct 20, 10:35 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal	40 min
Oct 20, 10:41 PM CDT	Severe Thunderstorm Warning	OUN	Garvin	49 min
Oct 20, 10:45 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Johnston	60 min
Oct 20, 11:07 PM CDT	Severe Thunderstorm Warning	OUN	Murray, Pontotoc	53 min
Oct 20, 11:11 PM CDT	Severe Thunderstorm Warning	OUN	Coal	49 min
Oct 20, 11:37 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Marshall	53 min
Oct 20, 11:43 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Pushmataha	47 min
Oct 21, 12:01 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	29 min
Oct 21, 12:30 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Choctaw, Pushmataha	60 min
Oct 21, 12:45 AM CDT	Severe Thunderstorm Warning	OUN	Marshall	30 min
Oct 21, 1:28 AM CDT	Severe Thunderstorm Warning	OUN	Bryan	47 min
Oct 21, 1:32 AM CDT	Severe Thunderstorm Warning	OUN	Choctaw, Pushmataha	43 min
Oct 21, 9:38 AM CDT	Flash Flood Warning	OUN	Atoka, Bryan, Choctaw, Pushmataha	3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1996 Every severe thunderstorm warning in 1996

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.