Alert archive / Colorado / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 89, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jul 15, 1992, 5:49 PM MDT for Washington County, Colorado. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1992, 5:49 PM MDT (23:49 UTC)
- Expired
- Jul 15, 1992, 6:30 PM MDT
- In force
- 41 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 11.8 hours before the alert went out and 11 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
- 2812 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 16 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 KDEN 152352
SVRDEN
COC121-160030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
549 PM MDT WED JUL 15 1992
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
EAST CENTRAL WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
OTIS AND PLATNER
AT 549 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 3 MILES SOUTHEAST OF PLATNER ...OR ABOUT
40 MILES SOUTH OF STERLING. ALSO HAIL OF ALMOST ONE INCH IN DIAMETER
HAS BEEN REPORTED WITH THIS STORM. VERY HEAVY RAIN AND LOCAL FLOODING
IS POSSIBLE WITH THIS STORM.
THE STORM WAS MOVING TO THE SOUTHEAST AT ABOUT 15 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.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN DENVER.
SZOKE/HOLZINGER
LAT...LOND 3995 10280 3996 10312 4023 10315 4027 10280What 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 15, 1:27 PM MDT, 4 hours 22 minutes before
COZ002-011-152000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 125 PM MDT WED JUL 15 1992 ...STRONG THUNDERSTORM IN NORTHEAST GRAND COUNTY... AT 120 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM IN NORTHWEST GRAND COUNTY MOVING SOUTHEAST AT 10 TO 15 MILES AN HOUR. THIS STORM HAS JUST PRODUCED HAIL UP TO 1/2 INCH WHICH COVERED THE GROUND NEAR THE WEST ENTRANCE OF ROCKY MOUNTAIN NATIONAL PARK JUST NORTH GRAND LAKE. THIS STORM IS ALSO CAPABLE OF PRODUCING BRIEF HEAVY RAINFALL. IF YOU ARE RECREATING NEAR GRAND LAKE OR THE SOUTH PART OF ROCKY MOUNTAIN NATIONAL PARK...BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. WOLF
Special weather statement, Jul 15, 2:29 PM MDT, 3 hours 20 minutes before
COZ002-011-152100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 230 PM MDT WED JUL 15 1992 ...STRONG THUNDERSTORM IN SOUTH CENTRAL BOULDER COUNTY... AT 225 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM IN SOUTH CENTRAL BOULDER COUNTY ABOUT 2 MILES NORTH OF PINECLIFFE OR 10 MILES SOUTHWEST OF BOULDER. THE STORM IS MOVING EAST AT 5 TO 10 MILES AN HOUR. THIS STORM IS LIKELY PRODUCING SMALL HAIL...BRIEF HEAVY RAINFALL AND INTENSE LIGHTNING. IF YOU ARE IN NORTHEAST GILPIN OR SOUTH CENTRAL BOULDER COUNTY...BE PREPARED TO MOVE TO A PLACE OF SHELTER IF THREATENING WEATHER APPROACHES. WOLF
Special weather statement, Jul 15, 3:33 PM MDT, 2 hours 16 minutes before
COZ011-012-152230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 333 PM MDT WED JUL 15 1992 ...STRONG THUNDERSTORMS WITH HEAVY RAIN DEVELOPING IN THE EAST ANDF SOUTH PARTS OF THE METRO AREA... AT 333 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING THUNDERSTORMS WITH HEAVY RAIN DEVELOPING ACROSS THE EAST AND SOUTH PARTS OF THE DENVER METRO AREA. THE STRONGEST STORMS WITH HEAVIEST RAIN WERE IN ARAPAHOE COUNTY FROM SOUTH OF WATKINS TO JUST EAST OF AURORA. RADAR WAS ESTIMATING RAIN FALLING AT THE RATE OF 1 TO 2 INCHES PER HOUR WITH THESE STORMS. OTHER STRONG STORMS WITH HEAVY RAIN WERE DEVELOPING ACROSS SOUTHERN JEFFERSON COUNTY AND NORTHERN DOUGLAS COUNTY. THESE STORMS WERE MOVING TO THE EAST AT 5 TO 10 MPH. THERE APPEARS TO BE POTENTIAL FOR ADDITIONAL THUNDERSTORM DEVELOPMENT ACROSS METRO DENVER BETWEEN NOW AND 600 PM. KEEP LISTENING FOR LATER STATEMENTS AS THUNDERSTORMS WITH HEAVY RAIN CONBTINUE ACROSS PARTS OF THE METRO AREA THIS AFTERNOON. MCQUEEN
Special weather statement, Jul 15, 3:34 PM MDT, 2 hours 15 minutes before
COZ011-152200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 335 PM MDT WED JUL 15 1992 ...HEAVY RAIN AND HAIL IN THE FORT COLLINS AREA... AT 328 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF THUNDERSTORMS OVER CENTRAL LARIMER COUNTY STRETCHING FROM CAMERON PASS EASTWARD TO JUST SOUTH OF FORT COLLINS. THESE STORMS ARE MOVING EAST SOUTHEAST AROUND 10 MILES AN HOUR. AT 315 PM SPOTTERS IN FORT COLLINS REPORTED HEAVY RAIN AND HALF INCH HAIL. BRIEF HEAVY RAIN AND HAIL WILL CONTINUE TO ACCOMPANY THE STRONGER STORMS. LOCALIZED STREET FLOODING IS POSSIBLE AS THESE STORMS MOVE THROUGH URBAN AREAS. RAIN IN THE FOOTHILLS WILL ALSO BE HEAVY ENOUGH TO CAUFSE BRIEF RISES IN SMALL STREAMS. IF YOU ARE DRIVING IN LARIMER COUNTY...BE PREPARED FOR HEAVY RAINFALL RESULTING IN LIMITED VISIBILITIES AND WATER PONDING ON ROAD SURFACES. WOLF
Special weather statement, Jul 15, 4:45 PM MDT, 1 hour 4 minutes before
COZ012-152330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 445 PM MDT WED JUL 15 1992 ...STRONG THUNDERSTORM IN EASTERN ARAPAHOE COUNTY... AT 440PM NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM LOCATED 5 TO 10 MILES EAST OF DEER TRAIL IN EASTERN ARAPAHOE COUNTY. THIS STORM WAS MOVING TOWARD THE NORTH AT 10 TO 15 MPH AND IS LIKELY TO PRODUCE HEAVY RAIN...FREQUENT LIGHTNING...AND STRONG GUSTY WINDS. HAIL IS POSSIBLE AS IS LOCAL FLOODING OF LOW LYING AREAS AND SMALL STREAMS. STAY INDOORS IF YOU ARE NEAR THIS THUNDERSTORM. DO NOT TRY TO CROSS FLOODED ROADWAYS. HOLZINGER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:40 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe | 50 min |
| Jul 15, 4:27 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 48 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.