Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 9, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 19, 1994, 4:41 PM MDT for Sioux County, Nebraska. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- May 19, 1994, 4:41 PM MDT (22:41 UTC)
- Expired
- May 19, 1994, 5:27 PM MDT
- In force
- 46 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Sioux County, NE
The nearest sounding before it
Rapid City, SD (KRAP), launched 12:00Z, 10.7 hours before the alert went out and 190 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
- 1047 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 193 m²/s²
- 0-3 km storm-relative helicity
- 236 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 192241 SVRBFF NEC165-192345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 441 PM MDT THU MAY 19 1994 THE NATIONAL WEATHER SERVICE IN SCOTTSBLUFF HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN THE NEBRASKA PANHANDLE ...NORTHERN SIOUX COUNTY ...AT 441 PM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 30 MILES WEST OF CHADRON...OR 15 MILES NORTHEAST OF HARRISON. THE STORM WAS MOVING NORTH AT 30 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. KYLE
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 19, 3:12 PM MDT, 1 hour 29 minutes before
NEZ001>004-019>022-054>056-192215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 312 PM MDT THU MAY 19 1994 ...THUNDERSTORMS HAVE DEVELOPED OVER THE WESTERN NEBRASKA PANHANDLE... AT 310 PM MDT...RADAR INDICATED A FEW THUNDERSTORMS OVER SCOTTS BLUFF AND SIOUX COUNTIES. THE STRONGEST THUNDERSTORMS WERE 22 MILES NORTH OF SCOTTSBLUFF...OR 32 MILES SOUTH OF HARRISON. THE STORMS WERE MOVING NORTH AT 25 MILES AN HOUR AND SHOULD APPROACH THE TOWN OF HARRISON BY 430 PM MDT. PEOPLE IN SIOUX...SCOTTS BLUFF AND BANNER COUNTIES IN THE WESTERN PANHANDLE SHOULD BE PREPARED FOR BRIEF HEAVY RAIN...DANGEROUS LIGHTNING ...SMALL HAIL AND GUSTY WIND THROUGH 415 PM MDT. KYLE
Special weather statement, May 19, 3:13 PM MDT, 1 hour 28 minutes before
NEZ001>004-019>022-054>056-192215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 312 PM MDT THU MAY 19 1994 ...THUNDERSTORMS HAVE DEVELOPED OVER THE WESTERN NEBRASKA PANHANDLE... AT 310 PM MDT...RADAR INDICATED A FEW THUNDERSTORMS OVER SCOTTS BLUFF AND SIOUX COUNTIES. THE STRONGEST THUNDERSTORMS WERE 22 MILES NORTH OF SCOTTSBLUFF...OR 32 MILES SOUTH OF HARRISON. THE STORMS WERE MOVING NORTH AT 25 MILES AN HOUR AND SHOULD APPROACH THE TOWN OF HARRISON BY 430 PM MDT. PEOPLE IN SIOUX...SCOTTS BLUFF AND BANNER COUNTIES IN THE WESTERN PANHANDLE SHOULD BE PREPARED FOR BRIEF HEAVY RAIN...DANGEROUS LIGHTNING ...SMALL HAIL AND GUSTY WIND THROUGH 415 PM MDT. KYLE
Special weather statement, May 19, 4:15 PM MDT, 26 minutes before
NEZ001>004-019>022-054>056-192315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 415 PM MDT THU MAY 19 1994 ...THUNDERSTORMS HAVE MOVED TO THE NORTHWEST NEBRASKA PANHANDLE... AT 413 PM MDT...RADAR INDICATED THUNDERSTORMS 50 MILES NORTH OF SCOTTSBLUFF IN SIOUX COUNTY...OR NEAR HARRISON. OTHER SHOWER ACTIVITY WAS OVER WESTERN SCOTTS BLUFF AND SOUTHERN SIOUX COUNTIES. MOVEMENT WAS NORTH AT 30 MILES AN HOUR. STRONG GUSTY WINDS...FREQUENT LIGHTNING...HEAVY RAIN AND SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS...MAINLY ACROSS SIOUX COUNTY THROUGH 515 PM MDT. KYLE
Special weather statement, May 19, 4:15 PM MDT, 26 minutes before
NEZ001>004-019>022-054>056-192315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 415 PM MDT THU MAY 19 1994 ...THUNDERSTORMS HAVE MOVED TO THE NORTHWEST NEBRASKA PANHANDLE... AT 413 PM MDT...RADAR INDICATED THUNDERSTORMS 50 MILES NORTH OF SCOTTSBLUFF IN SIOUX COUNTY...OR NEAR HARRISON. OTHER SHOWER ACTIVITY WAS OVER WESTERN SCOTTS BLUFF AND SOUTHERN SIOUX COUNTIES. MOVEMENT WAS NORTH AT 30 MILES AN HOUR. STRONG GUSTY LWINDS...FREQUENT LIGHTNING...HEAVY RAIN AND SMALL HAIL MAY ACCOMPANY THE STRONGER STORMS...MAINLY ACROSS SIOUX COUNTY THROUGH 515 PM MDT. KYLE
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, 7:04 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 56 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 |
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.