Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 83, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 26, 1990, 3:55 PM MDT for Garden County, Nebraska. It was in force for 35 min.
The area
The counties it named.
The facts
- Issued
- Jul 26, 1990, 3:55 PM MDT (21:55 UTC)
- Expired
- Jul 26, 1990, 4:30 PM MDT
- In force
- 35 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Garden County, NE
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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.9 hours before the alert went out and 155 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
- 59 J/kg
- Mixed-layer CIN
- -302 J/kg
- Mixed-layer LCL
- 729 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 262155
SVRBFF
NEC069-262230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
355 PM MDT THU JUL 26 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
SOUTHEAST GARDEN
AT 354 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 48
MILES SOUTHEAST OF ALLIANCE NEBRASKA...OR 8 MILES EAST OF OSHKOSH
IN GARDEN COUNTY. THE STORM WAS MOVING EAST AROUND 15 MILES AN
HOUR.
PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER. STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING.
PFEIFFERWhat 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, Jul 26, 1:08 PM MDT, 2 hours 47 minutes before
NEZ001-005-011-262100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 108 PM MDT THU JUL 26 1990 ...THUNDERSTORMS DEVELOPING IN CENTRAL AND SOUTHERN NEBRASKA PANHANDLE... AT 106 PM MDT...THUNDERSTORMS WERE LOCATED FROM 28 MILES NORTH OF SIDNEY NEBRASKA NEAR DALTON...TO 18 MILES WEST OF SIDNEY ABOUT 10 MILES SOUTH OF POTTER AND INTERSTATE 80. HEAVY RAIN AND PEA SIZED HAIL HAVE BEEN REPORTED BY CIVIL DEFENSE SPOTTERS AROUND 8 MILES WEST OF SIDNEY FROM THESE THUNDERSTORMS. WINDS WERE ALSO REPORTED GUSTING 25 TO 30 MILES AN HOUR. BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE LIKELY WITH THE STORMS AS THEY CROSS CHEYENNE...MORRILL...GARDEN...AND DEUEL COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 3PM MDT THIS AFTERNOON. PFEIFFER
Special weather statement, Jul 26, 3:00 PM MDT, 55 minutes before
NEZ001-005-011-210000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 300 PM MDT THU JUL 26 1990 ...TORNADO WATCH IN EFFECT FOR NEBRASKA PANHANDLE UNTIL 9PM MDT... AT 258 PM MDT...A LINE OF THUNDERSTORMS EXTENDED 35 MILES SOUTHEAST OF ALLIANCE NEBRASKA...TO 15 MILES WEST OF SIDNEY...TO 40 MILES SOUTHWEST OF SIDNEY NEAR STONEHAM COLORADO. INDIVIDUAL STORMS WERE MOVING TO THE NORTHEAST AROUND 20 MILES AN HOUR...WHILE THE LINE OF THUNDERSTORMS WAS MOVING SLOWLY TO THE EAST BETWEEN 5 AND 10 MILES AN HOUR. HEAVY RAIN...STRONG SHIFTING WINDS...AND SOME HAIL ARE POSSIBLE WITH THESE STORMS ACROSS CHEYENNE...MORRILL...SOUTHERN SHERIDAN...GARDEN... AND DEUEL COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 430 PM MDT. TORNADO WATCH 640 IS IN EFFECT FOR ALL OF THE NEBRASKA PANHANDLE UNTIL 9PM MDT THIS EVENING. PFEIFFER
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 1:39 PM MDT | Tornado Warning | CYS | Cheyenne | 36 min |
| Jul 26, 2:01 PM MDT | Tornado Warning | CYS | Garden | 22 min |
| Jul 26, 4:32 PM MDT | Severe Thunderstorm Warning | CYS | Garden | 28 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 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.