Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 96, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Jun 21, 1990, 2:56 PM CDT for Cimarron County, Texas County, Oklahoma. It was in force for 64 min.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1990, 2:56 PM CDT (19:56 UTC)
- Expired
- Jun 21, 1990, 4:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
Counties Cimarron County, OK, Texas 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
Amarillo Airport, TX (KAMA), launched 12:00Z, 7.9 hours before the alert went out and 171 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
- 758 J/kg
- Mixed-layer CIN
- -228 J/kg
- Mixed-layer LCL
- 1580 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 252 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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.
In the hours before
Special weather statement, Jun 21, 10:46 AM CDT, 4 hours 10 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 211645
SEVERE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
1045 AM CDT THU JUN 21 1990
...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO...
AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO
STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE
OTHER BY BROADVIEW. THESE STORMS WILL PRODUCE STRONG WINDS...SOME
HAIL AND BRIEF PERIODS OF HEAVY RAIN.
PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER
SITUATION.
[
]Special weather statement, Jun 21, 10:47 AM CDT, 4 hours 9 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-211645 SEVERE WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION... NATIONAL WEATHER SERVICE AMARILLO TX 1045 AM CDT THU JUN 21 1990 ...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO... AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE OTHER BY BROADVIEW. THESE STORMS WILL PRODUCE STRONG WINDS...SOME HAIL AND BRIEF PERIODS OF HEAVY RAIN. PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER SITUATION.
Special weather statement, Jun 21, 10:53 AM CDT, 4 hours 3 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-211645 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION... NATIONAL WEATHER SERVICE AMARILLO TX 1045 AM CDT THU JUN 21 1990 ...STRONG THUNDERSTORMS BUILDING IN NORTHEAST NEW MEXICO... AT 1035 AM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO STRONG THUNDERSTORMS IN NORTHEAST NEW MEXICO...ONE NEAR GRADY AND THE OTHER BY BROADVIEW. THESE STORMS WILL PRODUCE STRONG WINDS...SOME HAIL AND BRIEF PERIODS OF HEAVY RAIN. PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS WEATHER SITUATION.
Local storm report, Jun 21, 11:36 AM CDT, 3 hours 20 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO, TX
1134 AM CDT THU JUN 21 1990
STORM REPORT FOR JUNE 21 1990
1010 MDT..NICKEL SIZE HAIL AT THE PORT OF ENTRY STATION NEAR SAN JON
.).REPORTED BY PORT OF ENTRY EMPLOYEE
SCSpecial weather statement, Jun 21, 12:42 PM CDT, 2 hours 14 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-211845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 1240 PM CDT THU JUN 21 1990 ...STRONG THUNDERSTORMS CONTINUE INTO THE WESTRN TEXAS PANHANDLE... AT 1235 PM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO STRONG THUNDERSTORMS IN DEAF SMITH COUNTY IN THE WESTERN TEXAS PANHANDLE. ONE LOCATED 8 MILES WEST AND THE OTHER 20 MILES NrORTHWEST OF HEREFORD. THESE STORMS CAN PRODUCE HAIL...STRONG WINDS AND DANGEROUS LIGHTNING. BRIEF PERIODS OF HEAVY RAIN CAN ALSO BE EXPECTED. PEOPLE IN AND AROUND THESE STORMS SHOULD BE AWARE OF THIS STORM SITUATION.
Special weather statement, Jun 21, 12:46 PM CDT, 2 hours 10 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006-211845- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION... NATIONAL WEATHER SERVICE AMARILLO TX 1245 PM CDT THU JUN 21 1990 ...STRONG THUNDERSTORMS CONTINUE INTO THE WESTRN TEXAS PANHANDLE... AT 1235 PM CDT...NATIONAL WEATHER SERVICE RADARS WERE INDICATING TWO STRONG THUNDERSTORMS IN DEAF SMITH COUNTY IN THE WESTERN TEXAS PANHANDLE. ONE LOCATED 8 MILES WEST AND THE OTHER 20 MILES NORTHWEST OF HEREFORD. THESE STORMS CAN PRODUCE HAIL...STRONG WINDS AND DANGEROUS LIGHTNING. BRIEF PERIODS OF HEAVY RAIN CAN ALSO BE EXPECTED. MOVEMENT WAS NORTH- EAST AT 20 MILES AN HOUR. PEOPLE IN THESE AREAS SHOULD BE AWAREu OF THIS SITUATION.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 12:50 PM CDT | Severe Thunderstorm Warning | AMA | Oldham | 55 min |
| Jun 21, 1:56 PM CDT | Severe Thunderstorm Warning | AMA | Deaf Smith, Randall | 64 min |
| Jun 21, 4:08 PM CDT | Severe Thunderstorm Warning | AMA | Roberts | 67 min |
| Jun 21, 4:29 PM CDT | Tornado Warning | AMA | Ochiltree | 31 min |
| Jun 21, 5:02 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Moore | 58 min |
| Jun 21, 5:29 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill | 61 min |
| Jun 21, 3:36 PM CDT | Severe Thunderstorm Warning | AMA | Beaver | 69 min |
| Jun 21, 3:52 PM CDT | Tornado Warning | AMA | Beaver | 53 min |
| Jun 21, 11:04 AM CDT | Severe Thunderstorm Warning | AMA | Quay | 41 min |
| Jun 21, 4:21 PM CDT | Severe Thunderstorm Warning | AMA | Quay | 69 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1990Every severe thunderstorm warning 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.