Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 401, NWS Tulsa, OK

November 16, 1996McIntosh County, Muskogee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Nov 16, 1996, 7:13 PM CST for McIntosh County, Muskogee County, Oklahoma. It was in force for 47 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, 7:13 PM CST (01:13 UTC)
Expired: Nov 16, 1996, 8:00 PM CST
In force: 47 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties McIntosh County, OK, Muskogee County, OK

The radar

The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 01:14 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.

What was reported inside it

Time	Report	Where	Remark
Nov 16, 7:40 PM CST	Thunderstorm Wind	Eufaula, 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 00:00Z, 1.2 hours before the alert went out and 173 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: 1390 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 637 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 430 m²/s²
0-3 km storm-relative helicity: 474 m²/s²
Significant tornado parameter: 3.9
Supercell composite: 18.1

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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 16, 3:08 PM CST, 4 hours 5 minutes earlier.

Area forecast discussion, Nov 16, 3:08 PM CST, 4 hours 5 minutes before

EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
300 PM CST SAT NOV 16 1996

LINE OF TSRA APPROACHING NW ZONES ATTM ALONG OUTFLOW BOUNDARY FROM
THIS MORNINGS STORMS IN WRN OK/KS. HAVE HAD A FEW SVR REPORTS ALONG
THIS LINE...BUT MORE WIDESPREAD THREAT APPEARS TO BE HEAVY RAINFALL
AND POSSIBLE FLASH FLOODING. WILL BE ISSUING FFA FOR TONIGHT FOR
ALL EXCEPT ZONE 77 AS NEW GRIDDED DATA SHOWING THE BEST VERTICAL
MOTION AND HIGHEST QPF ALONG THE NRN COUNTIES. EXPECT WIDESPREAD 1-
2 INCH AMOUNS WITH LOCAL AMOUNTS UP TO 4 INCHES.

12Z PCGRIDDS96 DATA CONTINUES TO SHOW EXTREMELY HIGH HELICITY
VALUES FROM 00-06Z TONIGHT WITH CAPE VALUES FCST TO BE 100-500
J/KG. THESE CAPES SEEMS LOW COMPARED WITH CURRENT OBSERVED LI/CAPE
VALUES AND OBSERVED SVR REPORTS TO OUR WEST. WILL KEEP MENTION OF
SVR POSS IN ALL ZONES.

MOS TEMPS LOOK GOOD WITH SOME DISAGREEMENT IN FIRST COUPLE PERIODS.
LEANED TO WARMER TEMPS IN THE EAST WITH COOLER READINGS WEST
TONIGHT. AFTER TONIGHT...RAPID CLEARING SHOULD TAKE PLACE WITH POSS
SOME LINGERING STRATIFORM PRECIP IN ZONE 77 SUN MORNING. NO MAJOR
WEATHER PROBLEMS EXPECTED DURING THE REST OF THE FCST AS GULF WILL
BE CUT OFF TOO LONG FOR ANY MOISTURE TO RETURN. EXTENDED MODELS
SHOW UPPER FLOW PATTERN WILL REMAIN NEARLY ZONAL WITH SWLY FLOW
OVER WRN CANADA HELPING TO KEEP THE ULTRA COLD AIRMASS IN PLACE
RATHER THAN SLIDING SOUTH DOWN THE CENTRAL US PLAINS. /26

TUL BA 040/053 038/068 049 26+000
FSM BA 046/056 035/067 040 26+-00
MLC BA 044/055 036/070 045 26+000
BVO BA 038/053 038/068 048 26+000
FYV BA 042/051 030/065 038 26+-00
IDB EA 051/055 031/068 039 268200
BYV BA 042/050 029/064 037 26+-00

.TUL...R
OK...FLASH FLOOD WATCH ZONES 54>76.
AR...FLASH FLOOD WATCH ALL ZONES (1/2/10/11/19/29).

In the hours before

Local storm report, Nov 16, 5:51 PM CST, 1 hour 22 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
551 PM CST SAT NOV 16 1996

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

0510 PM    5 S LENAPAH               OK   .75 INCH HAIL
11/16/96   NOWATA

Local storm report, Nov 16, 5:52 PM CST, 1 hour 21 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
551 PM CST SAT NOV 16 1996

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

0510 PM    5 S LENAPAH               OK   .75 INCH HAIL
11/16/96   NOWATA

Local storm report, Nov 16, 6:20 PM CST, 53 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
619 PM CST SAT NOV 16 1996

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

0615 PM    BIXBY                     OK   .75 INCH HAIL
11/16/96   TULSA

Special weather statement, Nov 16, 7:10 PM CST, 3 minutes before

OKZ054>068-170300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
705 PM CST SAT NOV 16 1996

...TORNADO WATCH NUMBER 1136 HAS BEEN CANCELED FOR THE FOLLOWING
NORTHEAST OKLAHOMA COUNTIES...

CRAIG...CREEK...NOWATA...OSAGE...OTTAWA...PAWNEE AND WASHINGTON.

AT 700 PM...A LINE OF THUNDERSTORMS HAD MOVED JUST SOUTH OF
INTERSTATE-44 AND WILL CONTINUE MOVING EAST AT 30 MPH THROUGH THE
EVENING.  THEREFORE...THE THREAT OF SEVERE WEATHER IS OVER FOR
PARTS OF NORTHEAST OKLAHOMA TO THE WEST OF THIS LINE OF STORMS.

THIS TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM FOR
MAYES...OKFUSKEE...OKMULGEE...ROGERS...TULSA AND WAGONER COUNTIES.

STAYED TUNED TO NOAA WEATHER RADIO AND LOCAL TELEVISION FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 16, 8:24 PM CST	Flash Flood Warning	TSA	McIntosh	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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.