Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Amarillo, TX
NWS Amarillo, TX issued this severe thunderstorm warning at Mar 9, 1990, 8:00 PM CST for Potter County, Randall County, Texas. It was in force for 60 min. 3 reports 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
- Mar 9, 1990, 8:00 PM CST (02:00 UTC)
- Expired
- Mar 9, 1990, 9:00 PM CST
- In force
- 60 min
- Issued by
- NWS Amarillo, TX
- Area
- Whole counties
Counties Potter County, TX, Randall County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 9, 8:12 PM CST | Thunderstorm Wind 0 | Randall, TX | |
| Mar 9, 8:28 PM CST | Hail 1 | Randall, TX | |
| Mar 9, 8:52 PM CST | Hail 0.75 | Potter, TX |
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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 18 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
- 656 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1657 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
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, Mar 9, 5:34 PM CST, 2 hours 26 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021-
KSZ003-006- 100035 -
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
535 PM CST FRI MAR 9 1990
...LINE OF THUNDERSTORMS DEVELOPING IN THE WEST TEXAS PANHANDLE...
AT 525 PM CDT AMARILLO RADAR INDICATED A LINE OF THUNDERSTORMS...
SOME WITH VERY HEAVY RAINFALL...EXTENDING FROM NEAR DALHART...SOUTH
TO JUST WEST OF HEREFORD...TO NEAR MULESHOE. STRONGEST PORTION OF THE
LINE WAS JUST SOUTHWEST OF THE HEREFORD AREA.
STRONG GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAINFALL CAN BE
EXPECTED AS THE LINE MOVES TO THE EAST.
MLocal storm report, Mar 9, 6:27 PM CST, 1 hour 33 minutes before
STORM REPORT NATIONAL WEATHER SERVICE AMARILLO, TX 627 PM CST FRI MAR 09 1990 REPORTS FROM EASTERN DEAF SMITH COUNTY..HEREFORD..AND EASTERN OLDHAM COUNTY.. VEGA..INCLUDE PEA SIZE HAIL AND BRIEF GUSTY WINDS.
Special weather statement, Mar 9, 6:39 PM CST, 1 hour 21 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-009-014-021- KSZ003-006- 100030 - SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE AMARILLO TX 635 PM CST FRI MAR 9 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF THE TEXAS PANHANDLE AND MOST OF THE TEXAS SOUTH PLAINS TILL 1100 PM TONIGHT ... AT 630 PM CST...A LINE OF VERY STRONG THUNDERSTORMS WAS LOCATED IN AN AREA 30 MILES WIDE FROM 20 MILES WEST OF GUYMON OKLAHOMA TO SOUTH OF STRATFORD AND FROM WEST OF BUSHLAND TO NORTHWEST OF DIMMITT. THE STRONGEST THUNDERSTORMS WERE LOCATED 5 MILES NORTHWEST OF WILDORADO AND JUST SOUTHEAST OF HEREFORD. AT 615 PM PEA SIZE HAIL WAS REPORTED AT HEREFORD AND VEGA BY THE SHERIFFS OFFICE. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. IF THREATENING WEATHER APPROACHES YOU SEEK SHELTER IMMEDIATELY. KEEP TUNED TO YOUR NOAA WEATHER RADIO FOR LATER STATEMENTS. RR
Local storm report, Mar 9, 7:19 PM CST, 41 minutes before
STORM REPORT NATIONAL WEATHER SERVICE AMARILLO, TX 718 PM CST FRI MAR 09 1990 NICKEL SIZE HAIL REPORTED AT 7:11 PM IN NORTHERN RANDALL COUNTY..SW AMARILLO.
The office that day
Everything else NWS Amarillo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 9, 6:58 PM CST | Severe Thunderstorm Warning | AMA | Castro | 62 min |
| Mar 9, 7:03 PM CST | Severe Thunderstorm Warning | AMA | Potter, Randall | 57 min |
| Mar 9, 7:52 PM CST | Severe Thunderstorm Warning | AMA | Swisher | 68 min |
| Mar 9, 8:00 PM CST | Flash Flood Warning | AMA | Potter, Randall | 60 min |
| Mar 9, 8:14 PM CST | Severe Thunderstorm Warning | AMA | Carson | 61 min |
| Mar 9, 9:44 PM CST | Severe Thunderstorm Warning | AMA | Armstrong | 61 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.