Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 166, NWS Norman, OK
NWS Norman, OK issued this severe thunderstorm warning at Apr 21, 1996, 11:42 PM CDT for Atoka County, Bryan County, Pushmataha County, Oklahoma. It was in force for 63 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
- Apr 21, 1996, 11:42 PM CDT (04:42 UTC)
- Expired
- Apr 22, 1996, 12:45 AM CDT
- In force
- 63 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Atoka County, OK, Bryan County, OK, Pushmataha County, OK
The radar
The Norman radar (KTLX), 175 km from the middle of the area, began a volume at 04:41 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 |
|---|---|---|---|
| Apr 22, 12:30 AM CDT | Thunderstorm Wind | Albany, 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, 4.7 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.
- Mixed-layer CAPE
- 392 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1442 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 295 m²/s²
- 0-3 km storm-relative helicity
- 484 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
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 Apr 21, 9:18 PM CDT, 2 hours 24 minutes earlier.
Area forecast discussion, Apr 21, 9:18 PM CDT, 2 hours 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 918 PM CDT SUN APR 21 1996 MST OF THE SVR TSTMS NOW SEEM TO BE ALG THE RED RIVER IN SCNTRL OK BUT SCT ACTIVITY OF LESSER INTENSITY STILL CONTS TO EXTEND WWD INTO WCNTRL OK. DO NOT PLAN TO MAKE MAJOR CHGS TO ZONES ATTM. FCSTID = 12 .OKC... OK...NONE. TX...NONE.
In the hours before
Local storm report, Apr 21, 5:49 PM CDT, 5 hours 53 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 550 PM CDT SUN APR 21 1996 TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 345 PM SNYDER OK 1.00 INCH HAIL 04/21/96 KIOWA 415 PM ROOSEVELT OK 1.50 INCH HAIL 04/21/96 KIOWA 430 PM LAKE KICKAPOO TX 1.75 INCH HAIL 04/21/96 WICHITA 430 PM ELECTRA TX 0.75 INCH HAIL 04/21/96 WICHITA 430 PM MEERS OK 0.75 INCH HAIL 04/21/96 COMANCHE 435 PM 3 E WALTERS OK 0.75 INCH HAIL 04/21/96 COTTON 456 PM GRANDFIELD OK 0.88 HAIL 04/21/96 TILLMAN 458 PM 3 SE HOLLIDAY TX 1.75 INCH HAIL 04/21/96 ARCHER 500 PM SEYMOUR TX 2.75 INCH HAIL 04/21/96 BAYLOR 504 PM ADDINGTON OK 1.75 INCH HAIL 04/21/96 JEFFERSON 505 PM 7 E ADDINGTON OK 1.75 INCH HAIL 04/21/96 JEFFERSON COVERING GROUND 510 PM MABELLE TX 2.75 INCH HAIL 04/21/96 BAYLOR 523 PM 12 E COMANCHE OK 2.50 INCH HAIL 04/21/96 STEPHENS 525 PM 2 E WALTERS OK 0.75 INCH HAIL 04/21/96 COTTON 525 PM 9 S ELECTRA TX 1.75 INCH HAIL 04/21/96 WICHITA 530 PM 5 N HEALDTON OK 1.00 INCH HAIL 04/21/96 CARTER DMD(
Local storm report, Apr 21, 6:59 PM CDT, 4 hours 43 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 7 00 PM CDT SUN APR 21 1996 TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 530 PM PERTOLIA TX 1.75 INCH HAIL 04/21/96 CLAY 547 PM ELECTRA TX 0.88 INCH HAIL 04/21/96 WICHITA 554 PM LAWTON OK 1.75 INCH HAIL 04/21/96 P COMANCHE 557 PM 1 E WAURIKA OK 2.75 INCH HAIL 04/21/96 JEFFERSON 612 PM 10 S ELECTRA TX 2.50 INCH HAIL 04/21/96 PURPURA
Local storm report, Apr 21, 7:59 PM CDT, 3 hours 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OKLAHOMA CITY OK
8 00 PM CDT SUN APR 21 1996
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
DATE ....COUNTY LOCATION....
620 PM FREDERICK OK LIGHTNING
04/21/96 TILLMAN *** 1 INJ***
STORM SPOTTER/CHASER
STRUCK BY LIGHTNING WHILE
VIDEOTAPING A STORM WHILE
STANDING NEXT TO HIS
TRUCK.
PURPURALocal storm report, Apr 21, 11:14 PM CDT, 28 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1055 PM CDT SUN APR 21 1996 TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 530 PM PETROLIA TX 1.75 INCH HAIL 04/21/96 CLAY 554 PM LAWTON OK 1.75 INCH HAIL 04/21/96 COMANCHE 612 PM 10 S ELECTRA TX 2.5 INCH HAIL 04/21/96 WICHITA 630 PM 5 N LAWTON OK 1.5 INCH HAIL 04/21/96 COMANCHE 632 PM LOCO OK 0.88 INCH HAIL 04/21/96 651 PM 5 NW SULPHUR OK RAIN WRAPPED TORNADO 04/21/96 MURRAY REPORTED 635 PM 8 N HEALDTON OK REPORTED TORNADO 04/21/96 CARTER 635 PM 5 S HEALDTON OK REPORTED TORNADO 04/21/96 CARTER 645-650 PM 5 SE FOX OK REPORTED TORNADO 04/21/96 CARTER 640 PM 2 N CYRIL OK 1.0 INCH HAIL 04/21/96 CADDO 655 PM VERDEN OK 1.75 INCH HAIL 04/21/96 GRADY 700 PM POCASSET OK 1.75 INCH HAIL 04/21/96 GRADY 706 PM 8 N SULPHUR OK BUILDING DE-ROOFED 04/21/96 MURRAY BY POSSIBLE TORNADO 713 PM LAKE KICKAPOO TX 2.75 INCH HAIL 04/21/96 ARCHER 714 PM VANOSS OK 0.88 INCH HAIL 04/21/96 PONTOTOC 715-725 PM 3 W DAVIS OK 1.75 INCH HAIL 04/21/96 MURRAY 745 PM CORDELL OK 1.75 INCH HAIL 04/21/96 WASHITA 704-707 PM BLACKWELL OK 1.0 INCH HAIL 04/21/96 KAY 740 PM BETHANY OK 2.75 INCH HAIL 04/21/96 OKLAHOMA 704 PM 6 N YUKON OK 1.75 INCH HAIL 04/21/96 CANADIAN 815 PM 2 N STERLING OK 1.0 INCH HAIL 04/21/96 COMANCHE FM
Local storm report, Apr 21, 11:30 PM CDT, 12 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 1125 PM CDT SUN APR 21 1996 TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS... DATE ....COUNTY LOCATION.... 740 PM SHANNON TX 1.75 INCH HAIL 04/21/96 CLAY 741 PM 3 W ARCHER CITY TX 1.75 INCH HAIL 04/21/96 ARCHER 755 PM 10 SW HENRIETTA TX 2.5 INCH HAIL 04/21/96 CLAY 725 PM 2.5 SE DAVIS OK REPORTED TORNADO 04/21/96 MURRAY 807 PM 2 N GUTHRIE OK 1.75 INCH HAIL 04/21/96 LOGAN 755 PM ARROWHEAD LAKE TX 2.5 INCH HAIL 04/21/96 CLAY 816 PM HENRIETTA TX 1.75 INCH HAIL 04/21/96 CLAY 815 PM ADA OK 0.88 INCH HAIL 04/21/96 PONTOTOC 835 PM 2 NE RUSH SPRINGS OK 1.0 INCH HAIL 04/21/96 GRADY 858 PM 1 E JOY TX 0.88 INCH HAIL 04/21/96 CLAY 1047 PM NOBLE OK 0.75 INCH HAIL 04/21/96 CLEVELAND FM
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 7:07 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Grady, Oklahoma | 53 min |
| Apr 21, 7:12 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Tillman | 63 min |
| Apr 21, 7:12 PM CDT | Severe Thunderstorm Warning | OUN | Caddo | 63 min |
| Apr 21, 7:17 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Noble | 43 min |
| Apr 21, 7:21 PM CDT | Tornado Warning | OUN | Hughes, Pontotoc | 39 min |
| Apr 21, 7:21 PM CDT | Tornado Warning | OUN | Murray | 39 min |
| Apr 21, 7:43 PM CDT | Severe Thunderstorm Warning | OUN | Washita | 62 min |
| Apr 21, 7:49 PM CDT | Severe Thunderstorm Warning | OUN | Logan | 41 min |
| Apr 21, 7:55 PM CDT | Tornado Warning | OUN | Hughes, Pontotoc | 50 min |
| Apr 21, 8:04 PM CDT | Severe Thunderstorm Warning | OUN | Noble | 41 min |
| Apr 21, 8:12 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 48 min |
| Apr 21, 8:16 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Grady | 44 min |
| Apr 21, 8:20 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian | 40 min |
| Apr 21, 8:28 PM CDT | Severe Thunderstorm Warning | OUN | Garfield | 47 min |
| Apr 21, 8:30 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 60 min |
| Apr 21, 8:37 PM CDT | Tornado Warning | OUN | Hughes | 38 min |
| Apr 21, 8:38 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Oklahoma | 37 min |
| Apr 21, 8:52 PM CDT | Severe Thunderstorm Warning | OUN | Love | 68 min |
| Apr 21, 9:27 PM CDT | Severe Thunderstorm Warning | OUN | Seminole | 33 min |
| Apr 21, 9:40 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain, Pontotoc | 50 min |
| Apr 21, 9:40 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie | 50 min |
| Apr 21, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Love | 62 min |
| Apr 21, 9:52 PM CDT | Tornado Warning | OUN | Bryan | 68 min |
| Apr 21, 10:05 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian | 40 min |
| Apr 21, 10:32 PM CDT | Severe Thunderstorm Warning | OUN | Love, Marshall | 58 min |
| Apr 21, 10:34 PM CDT | Severe Thunderstorm Warning | OUN | Grady | 41 min |
| Apr 21, 10:44 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland | 46 min |
| Apr 21, 10:52 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 68 min |
| Apr 21, 11:00 PM CDT | Tornado Warning | OUN | Bryan | 45 min |
| Apr 21, 11:18 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie, Seminole | 27 min |
| Apr 21, 11:31 PM CDT | Severe Thunderstorm Warning | OUN | Seminole | 29 min |
| Apr 21, 11:42 PM CDT | Severe Thunderstorm Warning | OUN | Marshall | 63 min |
| Apr 21, 11:48 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain, Pontotoc | 27 min |
| Apr 21, 11:48 PM CDT | Severe Thunderstorm Warning | OUN | Pottawatomie, Seminole | 27 min |
| Apr 21, 11:59 PM CDT | Tornado Warning | OUN | Pushmataha | 61 min |
| Apr 22, 12:15 AM CDT | Severe Thunderstorm Warning | OUN | Hughes, Seminole | 45 min |
| Apr 22, 12:39 AM CDT | Severe Thunderstorm Warning | OUN | Bryan | 51 min |
| Apr 22, 12:49 AM CDT | Severe Thunderstorm Warning | OUN | Pontotoc | 41 min |
| Apr 22, 12:50 AM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 40 min |
| Apr 22, 1:17 AM CDT | Severe Thunderstorm Warning | OUN | Coal, Hughes, Pontotoc | 43 min |
| Apr 22, 1:33 AM CDT | Severe Thunderstorm Warning | OUN | Garvin, Murray, Pontotoc | 42 min |
| Apr 22, 1:40 AM CDT | Severe Thunderstorm Warning | OUN | Bryan, Choctaw | 50 min |
| Apr 22, 2:29 AM CDT | Severe Thunderstorm Warning | OUN | Choctaw | 46 min |
| Apr 22, 2:35 AM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston, Pontotoc | 40 min |
| Apr 22, 4:04 AM CDT | Severe Thunderstorm Warning | OUN | Pushmataha | 41 min |
| Apr 22, 4:07 AM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 68 min |
| Apr 22, 4:43 AM CDT | Severe Thunderstorm Warning | OUN | Pushmataha | 32 min |
| Apr 21, 7:15 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 45 min |
| Apr 21, 7:52 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 53 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1996Every 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.