Alert archive / Utah / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 77, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this severe thunderstorm warning at Sep 13, 1996, 6:07 PM MDT for San Juan County, Utah. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1996, 6:07 PM MDT (00:07 UTC)
- Expired
- Sep 13, 1996, 7:00 PM MDT
- In force
- 53 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County San Juan County, UT
The radar
The Grand Junction radar (KGJX), 212 km from the middle of the area, began a volume at 00:08 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 00:00Z, 0.1 hours before the alert went out and 202 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
- 2271 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 51 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 KSLC 140008 SVRSLC UTC037-140100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 607 PM MDT FRI SEP 13 1996 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST UTAH ...EASTERN SAN JUAN COUNTY DOPPLER RADAR INDICATES STRONG THUNDERSTORMS IN EASTERN SAN JUAN COUNTY BETWEEN BLUFF AND BLANDING. THESE THUNDERSTORMS ARE MOVING NORTHEAST AT 15-20 MPH. 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 nON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Sep 13, 12:56 PM MDT, 5 hours 11 minutes before
UTZ008-011-012-13-140400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 100 PM MDT FRI SEP 13 1996 ...THUNDERSTORMS WITH LOCALLY HEAVY RAIN OVER PORTIONS OF SOUTHERN AND EASTERN UTAH THIS AFTERNOON AND EVENING... THUNDERSTORMS HAVE FORMED OVER SOUTHERN UTAH AS OF NOON...AND WILL CONTINUE TO INCREASE AND AFFECT PORTIONS OF SOUTHERN AND EASTERN UTAH THIS AFTERNOON AND EVENING. THE AREA OF CONCERN INCLUDES BRYCE CANYON...CANYONLANDS...AND ARCHES NATIONAL PARKS...AS WELL AS THE LAKE POWELL REGION. BRIEF HEAVY RAINS CAN BE EXPECTED FROM THESE STORMS...ALONG WITH STRONG GUSTY WINDS IN EXCESS OF 40 MPH. AS A RESULT OF THUNDERSTORMS LAST NIGHT...SOME FLOODING O<CCURRED ACROSS SOUTHEAST UTAH. AS A RESULT SOIL STORAGE HAS DECREASED AND FURTHER RAINS WILL RESULT IN OVERLAND FLOW. END
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 13, 6:09 PM MDT | Flash Flood Warning | SLC | Carbon, Duchesne, Utah, Wasatch | 81 min |
| Sep 13, 7:27 PM MDT | Flash Flood Warning | SLC | San Juan | 93 min |
| Sep 13, 7:27 PM MDT | Severe Thunderstorm Warning | SLC | San Juan | 93 min |
| Sep 13, 8:45 PM MDT | Flash Flood Warning | SLC | Carbon | 75 min |
Nearby
Severe Thunderstorm Warnings in Utah, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.