Alert archive / Montana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 21, NWS Billings, MT
NWS Billings, MT issued this severe thunderstorm warning at Jul 14, 1993, 8:13 PM MDT for Rosebud County, Montana. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Jul 14, 1993, 8:13 PM MDT (02:13 UTC)
- Expired
- Jul 14, 1993, 9:15 PM MDT
- In force
- 62 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Rosebud County, MT
The nearest sounding before it
Great_falls, MT (KTFX), launched 00:00Z, 2.2 hours before the alert went out and 324 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
- 1355 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -106 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KBIL 150213 SVRBYZ MTC087-150315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BILLINGS MT 813 PM MDT WED JUL 14 1993 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST MONTANA ...CENTRAL ROSEBUD COUNTY...INCLUDING THE CITY OF FORSYTH AT 810 PM MDT THE BILLINGS WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN EXTREME EASTERN TREASURE COUNTY. THIS STORM WAS MOVING TO THE EAST AT 30 MPH AND HAS PRODUCED GOLF BALL TO HALF DOLLAR SIZED HAIL. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. KIECKBUSCH
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 14, 3:15 PM MDT, 4 hours 58 minutes before
WYZ006-007-018-019-050-051-056-057-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHERIDAN WY 315 PM MDT WED JUL 14 1993 ...THUNDERSTORMS WERE DEVELOPING ACROSS THE BIG HORN BASIN... THUNDERSTORMS...SOME STRONG...WERE DEVELOPING ACROSS THE BIG HORN BASIN THIS AFTERNOON. AT 3 PM...A THUNDERSTORM NEAR DEAVER PRODUCED PEA SIZE HAIL. THIS THUNDERSTORM WILL MOVE NORTHEAST INTO SOUTH CENTRAL MONTANA WITHIN THE NEXT 30 MINUTES. OTHER THUNDERSTORMS WERE MOVING INTO THE BASIN FROM THE SOUTHWEST. THUNDERSTORMS WILL CONTINUE TO INTENSIFY ACROSS THE AREA THIS AFTERNOON. A FEW OF THESE MAY CONTAIN HAIL...STRONG WINDS AND BRIEF HEAVY RAIN. IF THUNDRSTORMS APPROACH SEEK SAFE SHELTER. WHEN INDOORS STAY OFF THE TELEPHONE AND AWAY FROM WINDOWS. WCJIN-WYNW-WYNE SA/MD
Special weather statement, Jul 14, 4:41 PM MDT, 3 hours 32 minutes before
MTZ007-009-006-142345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BILLINGS MT 441 PM MDT WED JUL 14 1993 AT 435 PM MDT THE BILLINGS WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN SOUTHERN WHEATLAND COUNTY...15 MILES SOUTH OF HARLOWTON AND IN EASTERN BIG HORN COUNTY. THESE STORMS WERE MOVING TO THE NORTHEAST AT 30 MPH AND LIKELY PRODUCING HEAVY RAIN...HAIL AND STRONG GUSTY WINDS. PERSONS IN EASTERN WHEATLAND...GOLDEN VALLEY...EASTERN BIG HORN AND SOUTHERN ROSEBUD COUNTIES SHOULD BE ALERT FOR THESE STORMS DURING THE NEXT HOUR. IF SEVERE WEATHER APPROACHES...TAKE COVER IMMEDIATELY. KIECKBUSCH
Special weather statement, Jul 14, 4:41 PM MDT, 3 hours 32 minutes before
MTZ007-009-006-142345- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BILLINGS MT 441 PM MDT WED JUL 14 1993 AT 435 PM MDT THE BILLINGS WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN SOUTHERN WHEATLAND COUNTY...15 MILES SOUTH OF HARLOWTON AND IN EASTERN BIG HORN COUNTY. THESE STORMS WERE MOVING TO THE NORTHEAST AT 30 MPH AND LIKELY PRODUCING HEAVY RAIN...HAIL AND STRONG GUSTY WINDS. PERSONS IN EASTERN WHEATLAND...GOLDEN VALLEY...EASTERN BIG HORN AND SOUTHERN ROSEBUD COUNTIES SHOULD BE ALERT FOR THESE STORMS DURING THE NEXT HOUR. IF SEVERE WEATHER APPROACHES...TAKE COVER IMMEDIATELY. KIECKBUSCH
Special weather statement, Jul 14, 5:15 PM MDT, 2 hours 58 minutes before
WYZ006-007-018-019-050-051-056-057-140200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHERIDAN WY 515 PM MDT WED JUL 14 1993 ...STRONG THUNDERSTORMS WERE MOVING ACROSS SECTIONS OF NORTH CENTRAL WYOMING... A STRONG THUNDERSTORM WAS MOVING NORTHEAST THROUGH SOUTHEAST JOHNSON COUNTY AT 510PM. THIS STORM WAS LOCATED ALONG THE JOHNSON AND NATRONA COUNTIES LINE SOUTH OF LINCH. STRONG WINDS...HEAVY RAIN...AND SMALL HAIL WERE LIKELY OCCURING WITH THIS STORM. ANOTHER STRONG STORM WAS MOVING NORTHEAST THROUGH SOUTHWEST SHERIDAN COUNTY. THIS STORM WILL EFFECT RESIDENTS ALONG THE EAST SLOPES OF THE BIG HORNS WITHIN THE HOUR. IT TOO WAS LIKELY PRODUCING STRONG WINDS...HEAVY RAIN...AND SMALL HAIL. WHEN THREATENING WEATHER APPROACHES...SEEK SHELTER. WCJIN-WYNW-WYNE DARROW/ALEXANDER
Special weather statement, Jul 14, 5:15 PM MDT, 2 hours 58 minutes before
WYZ006-007-018-019-050-051-056-057-150200- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE SHERIDAN WY 515 PM MDT WED JUL 14 1993 ...STRONG THUNDERSTORMS WERE MOVING ACROSS SECTIONS OF NORTH CENTRAL WYOMING... A STRONG THUNDERSTORM WAS MOVING NORTHEAST THROUGH SOUTHEAST JOHNSON COUNTY AT 510PM. THIS STORM WAS LOCATED ALONG THE JOHNSON AND NATRONA COUNTIES LINE SOUTH OF LINCH. STRONG WINDS...HEAVY RAIN...AND SMALL HAIL WERE LIKELY OCCURING WITH THIS STORM. ANOTHER STRONG STORM WAS MOVING NORTHEAST THROUGH SOUTHWEST SHERIDAN COUNTY. THIS STORM WILL EFFECT RESIDENTS ALONG THE EAST SLOPES OF THE BIG HORNS WITHIN THE HOUR. IT TOO WAS LIKELY PRODUCING STRONG WINDS...HEAVY RAIN...AND SMALL HAIL. WHEN THREATENING WEATHER APPROACHES...SEEK SHELTER. CORRECTED HEADER WCJIN-WYNW-WYNE DARROW/ALEXANDER
Special weather statement, Jul 14, 5:25 PM MDT, 2 hours 48 minutes before
WYZ006-007-018-019-050-051-056-057-150200- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE SHERIDAN WY 515 PM MDT WED JUL 14 1993 ...STRONG THUNDERSTORMS WERE MOVING ACROSS SECTIONS OF NORTH CENTRAL WYOMING... A STRONG THUNDERSTORM WAS MOVING NORTHEAST THROUGH SOUTHEAST JOHNSON COUNTY AT 510PM. THIS STORM WAS LOCATED ALONG THE JOHNSON AND NATRONA COUNTIES LINE SOUTH OF LINCH. STRONG WINDS...HEAVY RAIN...AND SMALL HAIL WERE LIKELY OCCURING WITH THIS STORM. ANOTHER STRONG STORM WAS MOVING NORTHEAST THROUGH SOUTHWEST SHERIDAN COUNTY. THIS STORM WILL EFFECT RESIDENTS ALONG THE EAST SLOPES OF THE BIG HORNS WITHIN THE HOUR. IT TOO WAS LIKELY PRODUCING STRONG WINDS...H:EAVY RAIN...AND SMALL HAIL. WHEN THREATENING WEATHER APPROACHES...SEEK SHELTER. CORRECTED HEADER WCJIN-WYNW-WYNE DARROW/ALEXANDER
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Powder River | 72 min |
| Jul 14, 7:07 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 68 min |
| Jul 14, 7:22 PM MDT | Severe Thunderstorm Warning | BYZ | Yellowstone | 68 min |
| Jul 14, 8:37 PM MDT | Severe Thunderstorm Warning | BYZ | Treasure, Yellowstone | 68 min |
Nearby
Severe Thunderstorm Warnings in Montana, 1993Every severe thunderstorm warning 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.