Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 721, NWS Norman, OK

November 16, 1996Jackson County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Nov 16, 1996, 3:12 PM CST for Jackson County, Oklahoma. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Nov 16, 1996, 3:12 PM CST (21:12 UTC)
Expired: Nov 16, 1996, 4:00 PM CST
In force: 48 min
Issued by: NWS Norman, OK
Area: Whole counties

County Jackson County, OK

What was reported inside it

Time	Report	Where	Remark
Nov 16, 3:15 PM CST	Hail 1	Altus Afb, 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.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.2 hours before the alert went out and 197 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: 79 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 559 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 216 m²/s²
0-3 km storm-relative helicity: 262 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.

000 
TTAA00 KOKC 162110 RRA
SVROKC
OKC065-162200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
312 PM CST SAT NOV 16 1996

THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CST FOR
PEOPLE IN THE FOLLOWING COUNTIES

IN SOUTHWESTERN OKLAHOMA
     JACKSON

INCLUDING THE FOLLOWING LOCATIONS
     ALTUS...BLAIR...FRIENDSHIP AND MARTHA

AT 312 PM CST DOPPLER vRADAR INDICATED A SEVERE THUNDERSTORM NEAR ALTUS
MOVING NORTHEAST AT 50 MPH. HAIL TO THE SIZE OF QUARTERS AND WINDS TO 65
MPH MAY OCCUR AS THIS STORM TRACKS THROUGH THE ALTUS AREA.

DA

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 Nov 16, 2:00 PM CST, 1 hour 12 minutes earlier.

Area forecast discussion, Nov 16, 2:00 PM CST, 1 hour 12 minutes before

FPUS3 KOKC 162000
AFDOKC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
200 PM CST SAT NOV 16 1996

HV DROPPED WIND ADVISORY ACRS EXTREME NW. LATEST RADAR TRENDS INDICATE
MOST INTENSE STORMS AREA ACRS SWRN ZNS...IN REGION OF BEST
INSTABILITY...WHICH IS LOCATED SOUTH AND WEST FM NEAR A CSM...OKC...SPS
LINE.

.OKC...
OK...WND ADVSY TDY ZNS 6>8..11>31, 33>39, 44, 45.
     CAUTION ON AREA LAKES ZNS 4..5..9..10
TX...WND ADVSY TDY ZNS 83>90.

22

In the hours before

Special weather statement, Nov 16, 1:44 PM CST, 1 hour 28 minutes before

OKZ004-005-009-010-162045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
144 PM CST SAT NOV 16 1996

SEVERE THUNDERSTORM WATCH NUMBER 1134...HAS BEEN CANCELED FOR
ELLIS...HARPER...WOODS...AND WOODWARD COUNTIES. NO SEVERE WEATHER IS
EXPECTED THIS AFTERNOON IN THIS AREA. IN ADDITION...THE WIND ADVISORY
THAT WAS IN EFFECT FOR THIS SAME AREA HAS BEEN CANCELED. WIND SPEEDS
HAVE DECREASED TO THE 15 TO 25 MPH RANGE ACROSS THIS AREA...AND NO
FURTHER INCREASE IN WIND GUSTS ARE EXPECTED.

22

Special weather statement, Nov 16, 1:46 PM CST, 1 hour 26 minutes before

OKZ004-005-009-010-162045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
144 PM CST SAT NOV 16 1996

SEVERE THUNDERSTORM WATCH NUMBER 1134...HAS BEEN CANCELED FOR
ELLIS...HARPER...WOODS...AND WOODWARD COUNTIES. NO SEVERE WEATHER IS
EXPECTED THIS AFTERNOON IN THIS AREA. IN ADDITION...THE WIND ADVISORY
THAT WAS IN EFFECT FOR THIS SAME AREA HAS BEEN CANCELED. WIND SPEEDS
HAVE DECREASED TO THE 15 TO 25 MPH RANGE ACROSS THIS AREA...AND NO
FURTHER INCREASE IN WIND GUSTS ARE EXPECTED.

22

Local storm report, Nov 16, 2:09 PM CST, 1 hour 3 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
210 PM CST SAT NOV 16 1996

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

1230 PM    CHEROKEE                   OK  FLOODING
11/16/96   ALFALFA                        ALL ROADS NORTH AND SOUTH OF
                                          CHEROKEE CLOSED DUE TO 1 FOOT
                                          OF WATER OVER ROADS.
130 PM     RENFROW                    OK  FLOODING
11/16/96   GRANT                          HWY. 81 NORTH OF RENFROW
                                          CLOSED DUE TO WATER OVER
                                          ROADWAY.
130 PM     MEDFORD                    OK  FLOODING
11/16/96   GRANT                          HWY. 11 3 WEST OF MEDFORD
                                          CLOSED DUE TO WATER OVER
                                          ROADWAY.
155 PM     ALVA                       OK  FLOODING
11/16/96   WOODS                          HWY. 64 AND 281 HAVE WATER
                                          OVER ROADS AND TRAVEL IS
                                          DISCOURAGED.
BR

Local storm report, Nov 16, 2:10 PM CST, 1 hour 2 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
210 PM CST SAT NOV 16 1996

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

1230 PM    CHEROKEE                   OK  FLOODING
11/16/96   ALFALFA                        ALL ROADS NORTH AND SOUTH OF
                                          CHEROKEE CLOSED DUE TO 1 FOOT
                                          OF WATER OVER ROADS.
130 PM     RENFROW                    OK  FLOODING
11/16/96   GRANT                          HWY. 81 NORTH OF RENFROW
                                          CLOSED DUE TO WATER OVER
                                          ROADWAY.
130 PM     MEDFORD                    OK  FLOODING
11/16/96   GRANT                          HWY. 11 3 WEST OF MEDFORD
                                          CLOSED DUE TO WATER OVER
                                          ROADWAY.
155 PM     ALVA                       OK  FLOODING
11/16/96   WOODS                          HWY. 64 AND 281 HAVE WATER
                                          OVER ROADS AND TRAVEL IS
                                          DISCOURAGED.
BR

Local storm report, Nov 16, 2:25 PM CST, 47 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
230 PM CST SAT NOV 16 1996

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

215 PM     ENID                       OK  HAIL
11/16/96   GARFIELD                       1.00 INCH HAIL ON THE WEST
                                          SIDE OF ENID.

SC

Local storm report, Nov 16, 2:30 PM CST, 42 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
230 PM CST SAT NOV 16 1996

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

215 PM     ENID                       OK  HAIL
11/16/96   GARFIELD                       1.00 INCH HAIL ON THE WEST
                                          SIDE OF ENID.

SC

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 12:15 PM CST	Flash Flood Warning	OUN	Alfalfa, Woods	4 hr
Nov 16, 12:15 PM CST	Flash Flood Warning	OUN	Grant	4 hr
Nov 16, 1:40 PM CST	Severe Thunderstorm Warning	OUN	Beckham, Greer	35 min
Nov 16, 2:05 PM CST	Severe Thunderstorm Warning	OUN	Washita	40 min
Nov 16, 2:10 PM CST	Severe Thunderstorm Warning	OUN	Garfield	35 min
Nov 16, 2:33 PM CST	Flash Flood Warning	OUN	Garfield, Kay, Noble	3 hr
Nov 16, 2:39 PM CST	Severe Thunderstorm Warning	OUN	Custer	36 min
Nov 16, 2:43 PM CST	Severe Thunderstorm Warning	OUN	Kiowa, Washita	47 min
Nov 16, 2:53 PM CST	Severe Thunderstorm Warning	OUN	Blaine	37 min
Nov 16, 3:15 PM CST	Tornado Warning	OUN	Comanche	45 min
Nov 16, 3:23 PM CST	Tornado Warning	OUN	Caddo	52 min
Nov 16, 3:54 PM CST	Flash Flood Warning	OUN	Canadian, Kingfisher	3 hr
Nov 16, 4:04 PM CST	Severe Thunderstorm Warning	OUN	Caddo, Grady	41 min
Nov 16, 4:24 PM CST	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher, Logan, Oklahoma	51 min
Nov 16, 4:25 PM CST	Flash Flood Warning	OUN	Caddo, Grady	3 hr
Nov 16, 4:27 PM CST	Severe Thunderstorm Warning	OUN	Comanche, Cotton	48 min
Nov 16, 5:01 PM CST	Severe Thunderstorm Warning	OUN	Grady, Stephens	44 min
Nov 16, 5:30 PM CST	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	45 min
Nov 16, 5:39 PM CST	Severe Thunderstorm Warning	OUN	Garvin, Grady, McClain, Stephens	36 min
Nov 16, 5:45 PM CST	Severe Thunderstorm Warning	OUN	Cotton, Jefferson	30 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.