Alert archive / Wyoming / Tornado Warnings in 1993
Tornado Warning 24, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 21, 1993, 5:08 PM MDT for Johnson County, Wyoming. It was in force for 37 min.
The area
The counties it named.
The facts
- Issued
- Jul 21, 1993, 5:08 PM MDT (23:08 UTC)
- Expired
- Jul 21, 1993, 5:45 PM MDT
- In force
- 37 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Johnson County, WY
The nearest sounding before it
Lander/Hunt Fiel, WY (KLND), launched 12:00Z, 11.1 hours before the alert went out and 218 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 92 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 KSHR 212308 RRA TORSHR WYC019-212345- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHERIDAN WY 508 PM MDT WED JUL 21 1993 THE NATIONAL WEATHER SERVICE IN SHERIDAN HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL WYOMING ...SOUTHEASTERN JOHNSON COUNTY ...THIS INCLUDES THE COMMUNITY OF LINCH... AT 5PM...THE PUBLIC REPORTED A TORNADO BRIEFLY TOUCHED DOWN WEST OF THE TOWN OF LINCH...58 MILES SOUTHEAST OF BUFFALO. A BRIEF CLOUD OF DEBRIS WAS REPORTED. THE THUNDERSTORM IN THIS AREA WAS MOVING NORTHEASTPEOPLE IN THE PATH OF THIS STORM NEED TO ACT NOW AS THE POTENTIAL FOR FURTHER TORNADOES EXISTS! IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. EVANS WCJIN-WYNE & NNNN
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
Special weather statement, Jul 21, 3:35 PM MDT, 1 hour 33 minutes before
WYZ070-212215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MDT WED JUL 21 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR THE EXTREME EASTERN WYOMING UNTIL 900 PM... AT 330 PM A STRONG THUNDERSTORM WAS INDICATED JUST NORTH OF LINGLE WYOMING. LINGLE IS 9 MILES NORTHWEST OF TORRINGTON. THE STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. STRONG GUSTY WINDS...HAIL...AND DANGEROUS LIGHTNING ARE LIKELY WITH THIS STORM. IF THREATENING WEATHER APPROACHES...TAKE SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO A LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN WYOMING UNTIL 9PM THIS EVENING. < WCJIN-WYSE CGB
Special weather statement, Jul 21, 3:38 PM MDT, 1 hour 30 minutes before
WYZ070-212215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MDT WED JUL 21 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR THE EXTREME EASTERN WYOMING UNTIL 900 PM... AT 330 PM A STRONG THUNDERSTORM WAS INDICATED JUST NORTH OF LINGLE WYOMING. LINGLE IS 9 MILES NORTHWEST OF TORRINGTON. THE STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR. STRONG GUSTY WINDS...HAIL...AND DANGEROUS LIGHTNING ARE LIKELY WITH THIS STORM. IF THREATENING WEATHER APPROACHES...TAKE SHELTER IMMEDIATELY. REPORT ANY SEVERE WEATHER TO A LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN WYOMING UNTIL 9PM THIS EVENIN8G. < WCJIN-WYSE CGB
Special weather statement, Jul 21, 4:14 PM MDT, 54 minutes before
NEZ001-005-011-212315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 414 PM MDT WED JUL 21 1993 ...TORNADO WATCH UNTIL 9 PM MDT FOR SIOUX...SCOTTS BLUFF...BANNER... KIMBALL...DAWES...BOX BUTTE AND CHEYENNE COUNTIES OF THE PANHANDLE... AT 412 PM MDT RADAR SHOWED A LINE OF STRONG THUNDERSTORMS ENTERING THE WESTERN NEBRASKA PANHANDLE. THE LINE EXTENDED FROM 40 MILES SOUTHWEST OF SCOTTSBLUFF TO 40 MILES NORTHWEST OF SCOTTSBLUFF. THE STRONGEST STORM WAS 30 MILES NORTHWEST OF SCOTTSBLUFF. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT FOR THE WESTERN NEBRASKA PANHANDLE UNTIL 9 PM MDT. RESIDENTS OF THE WESTERN PANHANDLE SHOULD REMAIN ALERT TO RAPIDLY CHANGING CONDITIONS THROUGH THE EVENING HOURS. BRIEF HEAVY RAIN...GUSTY WIND...SMALL HAIL AND DEADLY LIGHTNING MAY OCCUR WITH THE STORMS OVER BANNER...SCOTTSBLUFF AND SIOUX COUNTIES OF THE PANHANDLE THROUGH 515 PM MDT. EMANUEL
Special weather statement, Jul 21, 4:14 PM MDT, 54 minutes before
NEZ001-005-011-212315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 414 PM MDT WED JUL 21 1993 ...TORNADO WATCH UNTIL 9 PM MDT FOR SIOUX...SCOTTS BLUFF...BANNER... KIMBALL...DAWES...BOX BUTTE AND CHEYENNE COUNTIES OF THE PANHANDLE... AT 412 PM MDT RADAR SHOWED A LINE OF STRONG THUNDERSTORMS ENTERING THE WESTERN NEBRASKA PANHANDLE. THE LINE EXTENDED FROM 40 MILES SOUTHWEST OF SCOTTSBLUFF TO 40 MILES NORTHWEST OF SCOTTSBLUFF. THE STRONGEST STORM WAS 30 MILES NORTHWEST OF SCOTTSBLUFF. THE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. A TORNADO WATCH IS IN EFFECT FOR THE WESTERN NEBRASKA PANHANDLE UNTIL 9 PM MDT. RESIDENTS OF THE WESTERN PANHANDLE SHOULD REMAIN ALERT TO RAPIDLY CHANGING CONDITIONS THROUGH THE EVENING HOURS. BRIEF HEAVY RAIN...GUSTY WIND...SMALL HAIL AND DEADLY LIGHTNING MAY OCCUR WITH THE STORMS OVER BANNER...SCOTTSBLUFF AND SIOUX COUNTIES OF THE PANHANDLE THROUGH 515 PM MDT. EMANUEL
Special weather statement, Jul 21, 5:02 PM MDT, 6 minutes before
WYZ051-052-054-055-057-220500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 502 PM MDT WED JUL 21 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR EXTREME NORTHEAST WYOMING UNTIL 1100 PM... MOIST AND UNSTABLE AIR IN PLACE OVER NORTHEAST WYOMING HAS BECOME RIPE FOR PRODUCING SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES. AS A RESULT A TORNADO WATCH HAS BEEN ISSUED. THIS WATCH INCLUDES THE TOWNS OF SHERIDAN...BUFFALO...GILLETTE AND MOORCROFT. THE TORNADO WATCH ISSUED EARLIER TODAY FOR THE EASTERN PLAINS OF WYOMING CONTINUES IN EFFECT UNTIL 9 PM. PEOPLE IN NORTHEAST WYOMING SHOULD KEEP AN EYE ON THE SKY AND BE PREPARED TO SEEK SHELTER IN AN INTERIOR ROOM IF THREATENING WEATHER APPROACHES. PLEASE REPORT ANY SEVERE WEATHER TO A LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WCJIN-WYNE JMH
Special weather statement, Jul 21, 5:04 PM MDT, 4 minutes before
WYZ051-052-054-055-057-220500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 502 PM MDT WED JUL 21 1993 ...A TORNADO WATCH HAS BEEN ISSUED FOR EXTREME NORTHEAST WYOMING UNTIL 1100 PM... MOIST AND UNSTABLE AIR IN PLACE OVER NORTHEAST WYOMING HAS BECOME RIPE FOR PRODUCING SEVERE THUNDERSTORMS AND POSSIBLE TORNADOES. AS A RESULT A TORNADO WATCH HAS BEEN ISSUED. THIS WATCH INCLUDES THE TOWNS OF SHERIDAN...BUFFALO...GILLETTE AND MOORCROFT. THE TORNADO WATCH ISSUED EARLIER TODAY FOR THE EASTERN PLAINS OF WYOMING CONTINUES IN EFFECT UNTIL 9 PM. PEOPLE IN NORTHEAST WYOMING SHOULD KEEP AN EYE ON THE SKY AND BE PREPARED TO SEEK SHELTER IN AN INTERIOR ROOM IF THREATENING WEATHvER APPROACHES. PLEASE REPORT ANY SEVERE WEATHER TO A LOCAL LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WCJIN-WYNE JMH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 3:52 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 38 min |
| Jul 21, 4:27 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 18 min |
| Jul 21, 4:44 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 31 min |
Nearby
Tornado Warnings in Wyoming, 1993Every tornado warning in 1993Tornadoes in 1993
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.