Alert archive / Oklahoma / Tornado Warnings in 1990
Tornado Warning 14, NWS Norman, OK
NWS Norman, OK issued this tornado warning at Mar 13, 1990, 8:42 PM CST for Pottawatomie County, Oklahoma. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1990, 8:42 PM CST (02:42 UTC)
- Expired
- Mar 13, 1990, 9:30 PM CST
- In force
- 48 min
- Issued by
- NWS Norman, OK
- Area
- Whole counties
County Pottawatomie County, OK
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 41 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
- 1624 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KOKC 140244 TOROKC OKC087-125-049-140330- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 842 PM CST TUE MAR 13 1990 THE NATIONAL WEATHER SERVICE IN OKLAHOMA CITY HA
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Mar 13, 6:53 PM CST, 1 hour 49 minutes before
STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 653 PM CST TUE MAR 13 1990 ...STORM REPORTS FOR THE AFTERNOON OF MARCH 13TH... TIME(CST) COUNTY EVENT 436 PM MCCLAIN DIME SIZE HAIL IN CRINER 443 PM MCCLAIN FUNNEL CLOUD 8 NORTH OF LINDSAY 447 PM GARVIN TREES UPROOTED NEAR LINDSAY 457 PM MCCLAIN TORNADO NEAR DIBBLE AT HWYS 39 AND 76 456 PM MCCLAIN TORNADO TOUCHDOWN IN CRINER 504 PM MCCLAIN TORNADO 3 SOUTH OF DIBBLE 507 PM GRADY QUARTER SIZE HAIL AT CHICKASHA 513 PM GRADY DIME SIZE HAIL 2 SOUTHWEST OF ALEX 516 PM CLEVELAND NICKEL SIZE HAIL IN NORMAN 518 PM GRADY R NICKEL SIZE HAIL 8 NORTH OF ALEX 520 PM MCCLAIN QUARTER SIZE HAIL 3 SOUT OF GOLDSBY
Local storm report, Mar 13, 7:08 PM CST, 1 hour 34 minutes before
STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 708 PM CST TUE MAR 13 1990 ...STORM REPORTS FOR THE AFTERNOON OF MARCH 13TH... TIME(CST) COUNTY EVENT 520 PM CLEVELAND NICKEL SIZE HAIL IN NORMAN 527 PM MCCLAIN FUNNEL CLOUD NORTHEAST GOLDSBY EXIT ON I-35 529 PM MCCLAIN FUNNEL CLOUD 3 SOUTHSOUTHEAST DIBBLE 530 PM MCCLAIN TORNADO 5 SOUTH OF DIBBLE 532 PM MCCLAIN DIME SIZE HAIL IN BLANCHARD 535 PM CLEVELAND NICKEL SIZE HAIL IN NORMAN 539 PM MCCLAIN DIME SIZE HAIL IN BLANCHARD 546 PM MCCLAIN FUNNEL CLOUD EASTSOUTHEAST OF GOLDSBY 548 PM GRANT BUILDING DESTROYED WEST OF MEDFORD 549m PM CLEVELAND QUARTER SIZE HAIL IN NORMAN HWY 9 AND I-35 550 PM CLEVELAND MOBILE HOMES DAMAGED IN NOBLE
Local storm report, Mar 13, 7:23 PM CST, 1 hour 19 minutes before
STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 708 PM CST TUE MAR 13 1990 ...STORM REPORTS FOR THE AFTERNOON OF MARCH 13TH... TIME(CST) COUNTY EVENT 510 PM GRADY GOLFBALL SIZE HAIL 2 SOUTHWEST OF BLANCHARD 556 PM OKLAHOMA QUARTER SIZE HAIL IN SOUTHEAST OKLAHOMA CO. 600 PM JEFFERSON TORNADO 5 WEST OF WAURIKA 603 PM JEFFERSON GOLFBALL SIZE HAIL IN WAURIKA 605 PM GRANT HOME DESTROYED IN NORTHERN GRANT COUNTY 610 PM CLEVELAND POWER LINES DOWN IN NORTHEASTERN CLEVELAND CO. 637 PM POTTAWATOMIE FUNNEL CLOUD 2 SOUTHWEST OF MEEKER 630 PM JEFFERSON TORNADO 5 NORTHEAST OF WAURIKA 640 PM LINCOLN FUNNEL CLOUD 1 SOUTHEST OF FOWLER 643 PM LINCOLN FALLING DEBRIS AND FUNNEL CLOUD AT JACKTOWN 647 PM LINCOLN QUARTER SIZE HAIL 3 SOUTH OF MEEKER 649 PM OKLAHOMA DIME SIZE HAIL 2 SOUTH OF TINKER AFB
Local storm report, Mar 13, 7:24 PM CST, 1 hour 18 minutes before
STORM REPORT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 724 PM CST TUE MAR 13 1990 ...STORM REPORTS FOR THE AFTERNOON OF MARCH 13TH... TIME(CST) COUNTY EVENT 510 PM GRADY GOLFBALL SIZE HAIL 2 SOUTHWEST OF BLANCHARD 556 PM OKLAHOMA QUARTER SIZE HAIL IN SOUTHEAST OKLAHOMA CO. 600 PM JEFFERSON TORNADO 5 WEST OF WAURIKA 603 PM JEFFERSON GOLFBALL SIZE HAIL IN WAURIKA 605 PM GRANT HOME DESTROYED IN NORTHERN GRANT COUNTY 610 PM CLEVELAND POWER LINES DOWN IN NORTHEASTERN CLEVELAND CO. 637 PM POTTAWATOMIE FUNNEL CLOUD 2 SOUTHWEST OF MEEKER 630 PM JEFFERSON TORNADO 5 NORTHEAST OF WAURIKA 640 PM LINCOLN FUNNEL CLOUD 1 SOUTHEST OF FOWLER 643 PM LINCOLN FALLING DEBRIS AND FUNNEL CLOUD AT JACKTOWN 647 PM LINCOLN QUARTER SIZE HAIL 3 SOUTH OF MEEKER 649 PM OKLAHOMA DIME SIZE HAIL 2 SOUTH OF TINKER AFB
Special weather statement, Mar 13, 8:04 PM CST, 38 minutes before
TXZ019-20-140300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA FALLS TX 805 PM CST TUE MAR 13 1990 THE TORNADO WATCH HAS BEEN REDEFINED AND NOW INCLUDES WICHITA AND THE SURROUNDING COUNTIES UNTIL 3 AM...YOUNG COUNTY UNTIL 2 AM. THE SEVERE THUNDERSTORM WARNING FOR WICHITA COUNTY EXPIRED AT 8 PM. QUARTER SIZE HAIL WAS REPORTED IN IOWA PARK AT 715 PM. PEA SIZE HAIL FELL AT THE WEATHER SERVICE JUST BEFORE 8 PM . WE HAVE RECEIVED ALMOST AN INCH OF RAIN SINCE THIS AFTERNOON. AT 8 PM A THUNDERSTORM WITH VERY HEAVY RAIN AND POSSIBLE HAIL WAS JUST WEST OF TRUSCOTT. OTHER STORMS WERE NEAR BURKBURNETT AND EAST OF LAWTON. MOVEMENT WAS NORTHEAST AT 20 MPH. A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES TO DEVELOP IN AND CLOSE TO THE WATCH AREA. DAMAGING WIND..LARGE HAIL..VERY HEAVY RAIN AND DEADLY LIGHTNING ARE POSSIBLE WITH THE HEAVIER THUNDER- STORMS.
Special weather statement, Mar 13, 8:33 PM CST, 9 minutes before
OKC141-140400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OKLAHOMA CITY OK 829 PM CST TUE MAR 13 1990 ...SEVERE THUNDERSTORM APPROACHING TILLMAN COUNTY... AT 828 PM A SEVERE THUNDERSTORM WAS LOCATED IN TEXAS 15 MILES WEST OF DAVIDSON MOVING NORTHEAST AT 25 MPH. THIS STORM WILL PRODUCE LARGE HAIL AND STRONG WINDS IN SOUTHERN TILLMAN COUNTY DURING THE NEXT 1 TO 2 HOURS. THIS STORM MAY HAVE PRODUCED A TORNADO IN WILBARGER COUNTY IN NORTH TEXAS. RESIDENTS OF TILLMAN COUNTY SHOULD BE ALERT TO THE APPROACH OF THIS STORM.
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 6:01 PM CST | Tornado Warning | OUN | Jefferson, Stephens | 29 min |
| Mar 13, 6:23 PM CST | Tornado Warning | OUN | Lincoln, Pottawatomie | 37 min |
| Mar 13, 6:26 PM CST | Tornado Warning | OUN | Jefferson, Stephens | 34 min |
| Mar 13, 6:45 PM CST | Severe Thunderstorm Warning | OUN | Cotton, Stephens | 60 min |
| Mar 13, 6:57 PM CST | Tornado Warning | OUN | Jefferson, Stephens | 33 min |
| Mar 13, 7:04 PM CST | Severe Thunderstorm Warning | OUN | Pottawatomie, Seminole | 41 min |
| Mar 13, 7:04 PM CST | Severe Thunderstorm Warning | OUN | Lincoln | 41 min |
| Mar 13, 7:10 PM CST | Severe Thunderstorm Warning | OUN | Carter, Garvin, Murray | 65 min |
| Mar 13, 7:18 PM CST | Severe Thunderstorm Warning | OUN | Lincoln, Oklahoma | 57 min |
| Mar 13, 7:31 PM CST | Tornado Warning | OUN | Carter | 29 min |
| Mar 13, 7:34 PM CST | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Stephens | 56 min |
| Mar 13, 7:52 PM CST | Tornado Warning | OUN | Garvin | 38 min |
| Mar 13, 8:18 PM CST | Tornado Warning | OUN | Garvin | 42 min |
| Mar 13, 8:42 PM CST | Tornado Warning | OUN | Garvin, McClain | 48 min |
| Mar 13, 8:53 PM CST | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 67 min |
| Mar 13, 9:20 PM CST | Severe Thunderstorm Warning | OUN | Pontotoc, Pottawatomie, Seminole | 55 min |
| Mar 13, 9:36 PM CST | Severe Thunderstorm Warning | OUN | Caddo, Kiowa, Washita | 69 min |
| Mar 13, 9:48 PM CST | Severe Thunderstorm Warning | OUN | Hughes | 57 min |
| Mar 13, 10:26 PM CST | Severe Thunderstorm Warning | OUN | Blaine, Garfield, Kingfisher, Major | 64 min |
| Mar 13, 10:26 PM CST | Severe Thunderstorm Warning | OUN | Custer | 64 min |
| Mar 13, 10:26 PM CST | Severe Thunderstorm Warning | OUN | Grant | 64 min |
| Mar 13, 11:43 PM CST | Severe Thunderstorm Warning | OUN | Garfield, Noble | 47 min |
| Mar 14, 12:52 AM CST | Severe Thunderstorm Warning | OUN | Jackson | 53 min |
| Mar 14, 1:38 AM CST | Severe Thunderstorm Warning | OUN | Logan | 37 min |
| Mar 14, 2:00 AM CST | Severe Thunderstorm Warning | OUN | Payne | 30 min |
| Mar 14, 2:34 AM CST | Severe Thunderstorm Warning | OUN | Canadian, Grady | 26 min |
| Mar 14, 4:50 AM CST | Severe Thunderstorm Warning | OUN | Coal, Pontotoc | 35 min |
Nearby
Tornado Warnings in Oklahoma, 1990Every tornado warning in 1990Tornadoes in 1990
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.