Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 92, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 11, 1992, 6:30 PM MDT for Sioux County, Nebraska. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1992, 6:30 PM MDT (00:30 UTC)
- Expired
- Jul 11, 1992, 7:00 PM MDT
- In force
- 30 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sioux County, NE
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.5 hours before the alert went out and 294 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
- 4 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 3167 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Jul 11, 1:17 PM MDT, 5 hours 13 minutes before
WYZ066>073-112030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 117 PM MDT SAT JUL 11 1992 ...THUNDERSTORMS DEVELOPING OVER SOUTHEAST WYOMING... THUNDERSTORMS HAD BEGUN TO DEVELOP OVER SOUTHEAST WYOMING THIS AFTER- NOON. THE STRONGEST STRORMS WERE BETWEEN 20 AND 30 MILES SOUTH OF TORRINGTON...NEAR HAWK SPRINGS RESERVOIR. SMALL HAIL AND HEAVY RAIN WAS LIKELY WITH THIS STORM. STORMS WERE MOVING EAST AT 20 TO 25 MILES AN HOUR. PEOPLE PLANNING OUTDOOR ACTIVITY IN SOUTHEAST WYOMING THIS AFTERNOON SHOULD BE PREPARED FOR THUNDERSTORMS WITH HAIL...GUSTY WINDS AND BRIEF HEAVY RAIN. BOATERS SHOULD GET OFF THE WATER AS SOON AS POSSIBLE IF THUNDERSTORMS APPROACH. SCOTT
Special weather statement, Jul 11, 2:13 PM MDT, 4 hours 17 minutes before
NEZ001-005-011-112115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 214 PM MDT SAT JUL 11 1992 ...SEVERE THUNDERSTORM WATCH FOR NEBRASKA PANHANDLE UNTIL 900 PM MDT... AT 212 PM MDT...STRONG THUNDERSTORMS WERE LOCATED 33 MILES SOUTHWEST OF SCOTTSBLUFF IN BANNER COUNTY...AND 18 MILES WEST OF SCOTTSBLUFF NEAR MORRILL IN WESTERN SCOTTSBLUFF. THE STORMS WERE MOVING NORTHEAST AT 25 MPH. HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS IN BANNER...SCOTTS BLUFF...AND SOUTHERN SIOUX COUNTIES UNTIL 315 PM MDT. SEVERE THUNDERSTORM WATCH 601 IS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 900 PM MDT THIS EVENING. PFEIFFER
Special weather statement, Jul 11, 3:14 PM MDT, 3 hours 16 minutes before
WYZ063-064-065-112200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 310 PM MDT SAT JUL 11 1992 ...THUNDERSTORMS WITH STRONG WINDS WERE IN SOUTH CENTRAL WYOMING... THUNDERSTORMS WITH GUSTY WINDS AND BRIEF HEAVY RAIN WERE OVER SOUTH-CENTRAL WYOMING THIS AFTERNOON. AT 240 PM THE RAWLINS AIRPORT HAD A GUST TO 55 MILES AN HOUR IN A THUNDERSTORM. PEOPLE PLANNING OUTDOOR ACTIVITY IN SOUTH CENTRAL WYOMING THIS AFTERNOON SHOULD BE PREPARED FOR THUNDERSTORMS WITH...GUSTY WINDS...HAIL AND BRIEF HEAVY RAIN. SCOTT
Special weather statement, Jul 11, 4:30 PM MDT, 2 hours before
WYZ062-070-073-112315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 429 PM MDT SAT JUL 11 1992 ...A FEW THUNDERSTORMS LINGERED IN THE SOUTHEAST CORNER OF WYOMING LATE THIS AFTERNOON... AT 425 PM MDT...A FEW THUNDERSTORMS CONTINUED IN SOUTHEAST GOSHEN AND SOUTHEAST LARAMIE COUNTIES. HOWEVER...THE THUNDERSTORMS CONTINUED TO WEAKEN AS THEY MOVED EAST AROUND 25 MILES AN HOUR. THESE THUNDERSTORMS MAY STILL PRODUCE BRIEF HEAVY RAIN AND DANGEROUS LIGHTNING BEFORE MOVING INTO THE NEBRASKA PANHANDLE BY 515 PM MDT. PEOPLE IN SOUTHERN NIOBRARA...GOSHEN...AND EASTERN LARAMIE COUNTIES ARE REMINDED THAT A SEVERE THUNDERSTORM WATCH REMIANS IN EFFECT UNTIL 900 PM MDT THIS EVENING. THIS MEANS THAT CONDITIONS ARE STILL FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS. < DJV
Special weather statement, Jul 11, 5:22 PM MDT, 1 hour 8 minutes before
WYZ068>073-120000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 520 PM MDT SAT JUL 11 1992 ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 9 PM FOR GOSHEN COUNTY AND EASTERN LARAMIE COUNTY OF SOUTHEAST WYOMING... THE INITIAL BATCH OF THUNDERSTORMS THAT FORMED OVER SOUTHEAST WYOMING EARLIER THIS AFTERNOON HAS MOVED EAST INTO NEBRASKA. HOWEVER...ANOTHER BAND OF THUNDERSTORMS WAS MOVING INTO SOUTHEAST WYOMING AT 515 PM. THE STORMS EXTENDED ACROSS MOST OF PLATTE COUNTY SOUTHWARD INTO THE WESTERN PART OF LARAMIE COUNTY. THE STRONGEST STORM WAS LOCATED 25 MILES SOUTH OF WHEATLAND...OR ABOUT 10 MILES SOUTHWEST OF CHUGWATER. THE STORMS WERE MOVING EAST AT 25 MILES AN HOUR. PEOPLE IN SOUTHEAST WYOMING SHOULD REMAIN ALERT TO THUNDERSTORMS THIS REST OF THIS EVENING. THESE STORMS COULD BECOME MUCH STRONGER AS THEY MOVE EAST INTO THE WATCH AREA. IF THREATENING STORMS APPROACH YOUR AREA...GO TO A SAFE PLACE SUCH AS INSIDE A STURDY BUILDING AND WAIT FOR THEM TO PASS. JAD
Special weather statement, Jul 11, 6:03 PM MDT, 27 minutes before
WYZ070>073-120045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 603 PM MDT SAT JUL 11 1992 ...A SEVERE THUNDERSTORM WATCH CONTINUES UNTIL 9 PM FOR GOSHEN COUNTY AND EASTERN LARAMIE COUNTY OF SOUTHEAST WYOMING... AT 555 PM...A BAND OF THUNDERSTORMS WAS LOCATED OVER FAR SOUTHEAST WYOMING. THE STORMS STRETCHED ACROSS MUCH OF GOSHEN COUNTY SOUTH INTO CENTRAL LARAMIE COUNTY. THE STRONGEST STORM WAS LOCATED ABOUT 20 MILES WEST OF TORRINGTON. THE BAND OF THUNDERSTORMS WAS MOVING EAST AT 30 MILES AN HOUR. PEOPLE IN SOUTHEAST WYOMING SHOULD REMAIN ALERT TO THUNDERSTORMS THIS REST OF THIS EVENING. THESE STORMS WILL LIKELY PRODUCE GUSTY WINDS... SMALL HAIL AND BRIEF HEAVY RAIN. BE SURE TO REMAIN INDOORS WHEN THUNDERSTORMS ARE IN YOUR AREA. < JAD
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 6:04 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 26 min |
| Jul 11, 6:16 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 26 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1992Every severe thunderstorm warning in 1992
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.