Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 4, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 18, 1994, 7:04 PM MDT for Cheyenne County, Nebraska. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- May 18, 1994, 7:04 PM MDT (01:04 UTC)
- Expired
- May 18, 1994, 8:00 PM MDT
- In force
- 56 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Cheyenne County, NE
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.1 hours before the alert went out and 151 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
- 11 J/kg
- Mixed-layer CIN
- -107 J/kg
- Mixed-layer LCL
- 3326 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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, May 18, 5:15 PM MDT, 1 hour 49 minutes before
NEZ001>004-019>022-054>056-190015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 515 PM MDT WED MAY 18 1994 ...THUNDERSTORMS RUMBLE ACROSS THE PANHANDLE... AT 510 PM MDT THUNDERSTORMS WERE SCATTERED ACROSS PARTS OF THE NEBRASKA PANHANDLE. THE STRONGEST STORM WAS LOCATED 45 MILES EAST OF CHADRON NEBRASKA. ADDITIONAL STORMS WERE LOCATED 40 MILES EAST OF ALLIANCE AND ALSO 30 MILES WEST OF SIDNEY NEBRASKA. THESE STORMS WERE ALL MOVING NORTH AT 25 MPH. PERSONS IN THE PANHANDLE SHOULD AWARE OF THE THUNDERSTORM ACTIVITY AROUND THE PANHANDLE AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES AS SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...STRONG GUSTY WINDS AND DEADLY LIGHTNING THROUGH 615 PM MDT. RENZ
Special weather statement, May 18, 5:15 PM MDT, 1 hour 49 minutes before
NEZ001>004-019>022-054>056-190015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 515 PM MDT WED MAY 18 1994 ...THUNDERSTORMS RUMBLE ACROSS THE PANHANDLE... AT 510 PM MDT THUNDERSTORMS WERE SCATTERED ACROSS PARTS OF THE NEBRASKA PANHANDLE. THE STRONGEST STORM WAS LOCATED 45 MILES EAST OF CHADRON NEBRASKA. ADDITIONAL STORMS WERE LOCATED 40 MILES EAST OF ALLIANCE AND ALSO 30 MILES WEST OF SIDNEY NEBRASKA. THESE STORMS WERE ALL MOVING NORTH AT 25 MPH. PERSONS IN THE PANHANDLE SHOULD AWARE OF THE THUNDERSTORM ACTIVITY AROUND THE PANHANDLE AND BE PREPARED TO SEEK SHELTER IF THREATENING WEATHER APPROACHES AS SOME OF THESE STORMS MAY CONTAIN SMALL HAIL...STRONG GUSTY WINDS AND DEADLY LIGHTNING THROUGH 615 PM MDT. RENZ
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 6:09 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 51 min |
| May 18, 6:28 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 62 min |
| May 18, 7:24 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 66 min |
| May 18, 7:43 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 32 min |
| May 18, 8:15 PM MDT | Severe Thunderstorm Warning | CYS | Sheridan | 30 min |
| May 18, 8:42 PM MDT | Severe Thunderstorm Warning | CYS | Dawes, Sheridan | 34 min |
| May 19, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 46 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning 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.