Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 79, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 1, 1992, 8:24 PM MDT for Yuma County, Colorado. It was in force for 51 min.
The area
The counties it named.
The facts
- Issued
- Jul 1, 1992, 8:24 PM MDT (02:24 UTC)
- Expired
- Jul 1, 1992, 9:15 PM MDT
- In force
- 51 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Yuma County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 2.4 hours before the alert went out and 70 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
- 620 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1005 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 411 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDEN 020226
SVRDEN
COC125-020315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
824 PM MDT WED JUL 01 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
SOUTHERN YUMA
INCLUDING THE FOLLOWING LOCATIONS
ABARR...BEECHER ISLAND...IDALIA...JOES AND KIRK
AT 824 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF JOES ...OR ABOUT 36
MILES NORTHWEST OF BURLINGTON.
AMATEUR RADIO WEATHER SPOTTERS REPORTED INTENSE LIGHTNING AND HEAVY RAIN
NEAR THE TOWN OF JOES.
THE STORM WAS MOVING EAST AT 20-25 MPH.
IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY
SHELTER AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS.
REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING
HAIL...DAMAGING WINDS OVER 60 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN.
INTENSE LIGHTNING IS REPORTED WITH THIS STORM. IF OUTDOORS...
STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND
DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.
TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE
THUNDERSTORM APPROACHES.
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A
TORNADO IS SPOTTED.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST COLORADO UNTIL
MIDNIGHT...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IBS
SPOTTED.
LAT...LON 3963 10213 3961 10276 3989 10275 3989 10211What 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 1, 5:06 PM MDT, 3 hours 18 minutes before
COZ011-012-020000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 510 PM MDT WED JUL 01 1992 ...STRONG THUNDERSTORM SOUTHEAST OF PLATTEVILLE... AT 5 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG AND RAPIDLY DEVELOPING THUNDERSTORM SOUTHEAST OF PLATTEVILLE OR ABOUT 30 MILES SOUTHEAST OF FORT COLLINS. THE STORM WAS MOVING TO THE EAST AT ABOUT 10 MPH. HAIL...STRONG WINDS AND VERY HEAVY RAIN WILL ACCOMPANY THIS STORM AS IT MOVES ACROSS SOUTH CENTRAL WELD COUNTY NORTH OF HUDSON OVER THE NEXT 30 MINUTES. MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. ET
Special weather statement, Jul 1, 7:09 PM MDT, 1 hour 15 minutes before
COZ011-012-013-014-016-017-020200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 710 PM MDT WED JUL 1 1992 TORNADO WATCH NUMBER 513 IS NO LONGER IN EFFECT FOR TELLER AND EL PASO COUNTIES. THIS REMOVES COLORADO SPRINGS AND WOODLAND PARK FROM THE WATCH. THE WATCH REMAINS IN EFFECT FOR CHEYENNE...ELBERT...EL PASO...KIT CARSON...LINCOLN...EASTERN LARIMER...ADAMS...ARAPAHOE...EASTERN BOULDER...DENVER...DOUGLAS...CENTRAL AND EASTERN JEFFERSON... LOGAN...MORGAN...PHILLIPS...SEDGWICK...WASHINGTON...WELD...YUMA. ET
Special weather statement, Jul 1, 7:50 PM MDT, 34 minutes before
COZ012-013-020300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 750 PM MDT WED JUL 1 1992 ...STRONG THUNDERSTORMS IN LOGAN COUNTY... AT 745 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED STRONG THUNDERSTORMS OVER LOGAN COUNTY. ONE STRONG THUNDERSTORM WAS 5 MILES EAST OF MERINO...OR ABOUT 10 MILES SOUTHWEST OF STERLING. ANOTHER STRONG STORM WAS NEAR CROOK...OR ABOUT 30 MILES NORTHEAST OF STERLING. THE STORMS WERE MOVING EAST NORTHEAST AT 20 MPH. AT 742 PM MDT...STERLING PATROL REPORTED PEA TO MARBLE SIZE HAIL AT MERINO. PEOPLE IN LOGAN COUNTY...INCLUDING THE LOCATION OF ATWOOD AND MOTORISTS ALONG INTERSTATE 76 SHOULD BE ALERT FOR HAIL...HEAVY RAIN AND GUSTY WINDS UNTIL ABOUT 9PM MDT. IF THREATENING WEATHER APPROACHES YOUR AREA ...BE PREPARED TO MOVE TO A PLACE OF SAFETY. A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST COLORADO UNTIL 9PM MDT TONIGHT. LESZCYNSKI
Special weather statement, Jul 1, 8:05 PM MDT, 19 minutes before
COZ011-012-020300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 8PM MDT WED JUL 1 1992 ...TORNADO WATCH CANCELLED FOR FRONT RANGE AND NORTHEAST PLAINS... AT 8PM MDT THE TORNADO WATCH WAS CANCELLED FOR THE FRONT RANGE AND NORTHEAST PLAINS OF COLORADO. THIS MEANS THAT THE TORNADO WATCH IS NO LONGER IN EFFECT FOR DENVER...BOULDER...ADAMS...ARAPAHOE...LARIMER ...WELD...DOUGLAS AND JEFFERSON COUNTIES. THIS ALSO REMOVES THE TORNADO WATCH FROM DENVER...BOULDER...FORT COLLINS...GREELEY AND LIMON. THE TORNADO WATCH DOES CONTINUE FOR LOGAN...WASHINGTON...PHILLIPS... SEDGWICK...YUMA...MORGAN...CHEYENNE AND KIT CARSON COUNTIES UNTIL 9PM MDT. GCF
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 6:04 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 36 min |
| Jul 1, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 20 min |
| Jul 1, 6:35 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 40 min |
| Jul 1, 7:03 PM MDT | Tornado Warning | BOU | Washington | 42 min |
| Jul 1, 7:39 PM MDT | Tornado Warning | BOU | Washington | 51 min |
| Jul 1, 9:13 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 47 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1992Every severe thunderstorm warning in 1992
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.