Alert archive / Wyoming / Tornado Warnings in 1994
Tornado Warning 15, NWS Cheyenne, WY
NWS Cheyenne, WY issued this tornado warning at Jul 15, 1994, 5:45 PM MDT for Goshen County, Wyoming. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1994, 5:45 PM MDT (23:45 UTC)
- Expired
- Jul 15, 1994, 6:15 PM MDT
- In force
- 30 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Goshen County, WY
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 11.8 hours before the alert went out and 251 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
- 127 J/kg
- Mixed-layer CIN
- -177 J/kg
- Mixed-layer LCL
- 1637 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 10 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 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 15, 3:45 PM MDT, 2 hours before
WYZ069-070-152245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 345 PM MDT FRI JUL 15 1994 ...ANOTHER STORM HAS BEEN BUILDING NEAR HORSE CREEK... PEA TO MARBLE SIZED HAIL WAS REPORTED AT HORSE CREEK AT 335 PM MDT. HORSE CREEK IS 27 MILES NORTHWEST OF CHEYENNE. THE LEADING EDGE OF THE STORM WAS JUST ON THE NORTHWEST SIDE OF CHEYENNE. A HAM RADIO OPERATOR WHO WAS STORM SPOTTING REPORTS WINDS IN EXCESS OF 35 MILES AN HOUR. THE MAIN STORM WAS NORTH OF THIS LOCATION AND WAS MOVING EAST AT 25 MILES AN HOUR. IT WILL CROSS INTERSTATE 25 NEAR THE LITTLE BEAR EXIT BY 410 PM. THIS STORM WILL PRODUCE MARBLE SIZED HAIL AND WINDS OF 40 TO 45 MILES AN HOUR BETWEEN NOW AND 415 PM2. WCJIN-WYSE CAS &
Special weather statement, Jul 15, 4:04 PM MDT, 1 hour 41 minutes before
NEZ001>004-019>022-054>056-152300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 404 PM MDT FRI JUL 15 1994 ...TORNADO WATCH FOR THE NEBRASKA PANHANDLE... A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE NEBRASKA PANHANDLE UNTIL 9 PM MDT. ALTHOUGH ONLY LIGHT TO MODERATE SHOWER ACTIVITY WAS THE ONLY INDICATIONS ON RADAR...SEVERE WEATHER DEVELOPMENT COULD OCCUR RAPIDLY. RESIDENTS OF THE NEBRASKA PANHANDLE SHOULD KEEP AN EYE TO THE SKY INTO THE EVENING. KYLE
Special weather statement, Jul 15, 4:33 PM MDT, 1 hour 12 minutes before
NEZ005-152330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE VALENTINE NE ISSUED BY SCOTTSBLUFF NE 432 PM MDT (532 PM CDT) FRI JUL 15 1994 ...STRONG THUNDERSTORM ENTERING NORTHERN CHERRY COUNTY... AT 430 PM MDT (530 PM CDT)...RADAR INDICATED A STRONG THUNDERSTORM 15 MILES WEST OF VALENTINE OR NEAR KILGORE NEBRASKA. THIS STORM WAS MOVING SOUTHEAST AT 25 MPH AND WILL MOVE ACROSS NORTHERN AND EASTERN CHERRY COUNTY OVER THE NEXT HOUR. *PERSONS IN THESE AREAS SHOULD BE PREPARED FOR BRIEF HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WIND AND SMALL HAIL THROUGH 530 PM MDT (630 PM CDT). HORNE
Special weather statement, Jul 15, 5:03 PM MDT, 42 minutes before
NEZ001>004-019>022-054>056-160000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 503 PM MDT FRI JUL 15 1994 ...TORNADO WATCH FOR THE NEBRASKA PANHANDLE... A TORNADO WATCH IS IN EFFECT THE THE ENTIRE NEBRASKA PANHANDLE UNTIL 9 PM MDT. AT 502 PM MDT...VERY LITTLE SHOWER ACTIVITY WAS INDICATED ON RADAR. HOWEVER...SEVERE WEATHER OVER WYOMING COULD MOVE INTO THE PANHANDLE OR COULD DEVELOP RAPIDLY...SO BE PREPARED FOR THE POSSIBILITIES OF SEVERE WEATHER INTO THE EVENING. KYLE
Special weather statement, Jul 15, 5:19 PM MDT, 26 minutes before
WYZ067-068-069-070-160015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 516 PM MDT FRI JUL 15 1994 ...FORTY FIVE MILE AN HOUR WINDS HAVE BEEN REPORTED IN NORTHERN LARAMIE COUNTY... AT 510 PM MDT...ANOTHER THUNDERSTORM DEVELOPED ABOUT 20 MILES NORTH OF CHEYENNE. A HAM RADIO OPERATOR IN THE AREA REPORTED NORTH WINDS AT 45 MILES AN HOUR FROM THIS STORM. MOVEMENT WAS TO THE EAST-SOUTHEAST AT 20 MILES AN HOUR. IT HAD JUST MOVED EAST OF INTERSTATE 25. THESE STORMS HAVE PRODUCED MARBLE SIZED HAIL ALL AFTERNOON. ALTHOUGH NO REPORTS OF HAIL HAVE COME IN FROM THIS STORM...IT IS LIKELY THAT A GOOD AMOUNT OF HALF INCH HAIL WILL BE PRODUCED. ELSEWHERE...A SEVERE THUNDERSTORM WARNING CONTINUES FOR SOUTHERN GOSHEN COUNTY UNTIL 545 PM MDT. WCJIN-WYSE CAS &
Special weather statement, Jul 15, 5:45 PM MDT, 0 minutes before
NEZ001>004-019>022-054>056-160045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 545 PM MDT FRI JUL 15 1994 ...TORNADO WATCH FOR THE NEBRASKA PANHANDLE... ...A STRONG THUNDERSTORM WILL MOVE INTO SCOTTS BLUFF COUNTY... A TORNADO WATCH IS IN EFFECT FOR ALL OF THE NEBRASKA PANHANDLE COUNTIES UNTIL 9 PM MDT. AT 542 PM MDT...RADAR INDICATED A VERY STRONG THUNDERSTORM OVER THE WYOMING/SCOTTS BLUFF COUNTY BORDER. THE STORM WAS 19 MILES WEST OF SCOTTSBLUFF. THE THUNDERSTORM WAS MOVING EAST AT 25 MPH AND SHOULD PASS THE SCOTTSBLUFF/GERING VICINITY AFTER 615 PM MDT. DURING A TORNADO WATCH...BE READY TO MOVE TO A SHELTER BELOW GROUND OR TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE IF A WARNING IS ISSUED OR IF A TORNADO IS SIGHTED. KYLE
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 2:37 AM MDT | Flash Flood Warning | CYS | Goshen | 2 hr |
| Jul 15, 2:32 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 43 min |
| Jul 15, 2:48 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 42 min |
| Jul 15, 3:05 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 40 min |
| Jul 15, 3:38 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 52 min |
| Jul 15, 4:25 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 35 min |
| Jul 15, 5:04 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 41 min |
Nearby
Tornado Warnings in Wyoming, 1994Every tornado warning in 1994Tornadoes in 1994
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.