Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 36, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 3, 1995, 4:23 PM MDT for Washington County, Colorado. It was in force for 22 min.
The area
The counties it named.
The facts
- Issued
- Jun 3, 1995, 4:23 PM MDT (22:23 UTC)
- Expired
- Jun 3, 1995, 4:45 PM MDT
- In force
- 22 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Washington County, CO
The radar
The Denver radar (KFTG), 117 km from the middle of the area, began a volume at 22:22 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
Denver, CO (KDNR), launched 12:00Z, 10.4 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
- 78 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1004 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS1 KDEN 032223 RRA
SVRDEN
COC087-121-032300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
423 PM MDT SAT JUN 03 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN NORTHEASTERN COLORADO
EASTERN MORGAN AND WESTERN WASHINGTON
INCLUDING THE FOLLOWING LOCATIONS
BRUSH...HILLROSE...MIDWAY AND SNYDER
AT 421 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 18 MILES SOUTH OF MIDWAY ...OR ABOUT 48
MILES SOUTH OF STERLING.
THE STORM WAS MOVING NORTHWEST AT 15 MPH.
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 EASTERN COLORADO UNTIL
900PM MDT. 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.
LESZCYNSKI
LAT...LON 3997 10332 3993 10351 4037 10366 4041 10345What 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, Jun 3, 11:05 AM MDT, 5 hours 18 minutes before
COZ015-030>050-067-071-072-040600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1105 AM MDT SAT JUN 3 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT EL PASO GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT TELLER WASHINGTON WELD SYNOPSIS: AN UPPER LEVEL LOW PRESSURE SYSTEM OVER UTAH WILL CONTINUE CREATING UNSTABLE CONDITIONS OVER THE FORECAST AREA. THIS COUPLED WITH PLENTY OF AVAILABLE MOISTURE WILL MAKE FOR ANOTHER ROUND OF WIDESPREAD SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. THE UPPER WINDS RESPONSIBLE FOR STEARING THE THUNDERSTORMS WILL BE RATHER LIGHT THIS AFTERNOON AND EVENING...SO THE MAIN WEATHER THREAT TODAY WILL BE FLASH FLOODING WITH THE SLOW MOVING STORMS AND ALREADY SATURATED GROUND. THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE HIGH COUNTRY JUST AFTER THE NOON HOUR...THEN SPREAD EASTWARD OVER THE PLAINS BY 2 TO 4 PM. ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...SOME STORMS COULD BECOME SEVERE AND SPOTTER ACTIVATION WILL BE REQUIRED. RJK
Special weather statement, Jun 3, 11:06 AM MDT, 5 hours 17 minutes before
COZ015-030>050-067-071-072-040600- SIGNIFICANT WEATHER OUTLOOK FOR NORTHEAST AND NORTH CENTRAL COLORADO NATIONAL WEATHER SERVICE DENVER CO 1105 AM MDT SAT JUN 3 1995 THIS OUTLOOK PERTAINS TO THE FOLLOWING COLORADO COUNTIES ADAMS ARAPAHOE BOULDER CLEAR CREEK DENVER DOUGLAS ELBERT EL PASO GILPIN GRAND JACKSON JEFFERSON LAKE LARIMER LINCOLN LOGAN MORGAN PARK PHILLIPS SEDGWICK SUMMIT TELLER WASHINGTON WELD SYNOPSIS: AN UPPER LEVEL LOW PRESSURE SYSTEM OVER UTAH WILL CONTINUE CREATING UNSTABLE CONDITIONS OVER THE FORECAST AREA. THIS COUPLED WITH PLENTY OF AVAILABLE MOISTURE WILL MAKE FOR ANOTHER ROUND OF WIDESPREAD SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. THE UPPER WINDS RESPONSIBLE FOR STEARING THE THUNDERSTORMS WILL BE RATHER LIGHT THIS AFTERNOON AND EVENING...SO THE MAIN WEATHER THREAT TODAY WILL BE FLASH FLOODING WITH THE SLOW MOVING STORMS AND ALREADY SATURATED GROUND. THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE HIGH COUNTRY JUST AFTER THE NOON HOUR...THEN SPREAD EASTWARD OVER THE PLAINS BY 2 TO 4 PM. ALTHOUGH WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...SOMJE STORMS COULD BECOME SEVERE AND SPOTTER ACTIVATION WILL BE REQUIRED. RJK
Special weather statement, Jun 3, 1:44 PM MDT, 2 hours 39 minutes before
COZ036-032025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 144 PM MDT SAT JUN 03 1995 ...THUNDERSTORMS IN SOUTHERN JEFFERSON COUNTY... AT 142 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER SOUTHERN JEFFERSON AND SOUTHWESTERN DOUGLAS COUNTIES. THE STORM WAS MOVING SLOWLY NORTH AT 5 TO 10 MPH. SPOTTERES REPORTED HEAVY RAIN AND SMALL HAIL WITH THIS STORM. PEOPLE IN ASPEN PARK...BAILEY...BUFFALO CREEK...CHEESMAN RESERVOIR... SHAFFERS CROSSING...SHAWNEE...SOUTH PLATTE...SPRUCEWOOD...DECKERS...AND WELLINGTON LAKE SHOULD BE ALERT FOR THE POTENTIAL OF SEVERE WEATHER WITH THIS STORM. A FLASH FLOOD WATCH IS IN EFFECT FOR THIS AREA THROUGH MIDNIGHT TONIGHT. BE ALERT FOR RISING WATER IN STREAMS AND RIVERS AND PREPARE TO MOVE TO HIGHER GROUND. RJK
Special weather statement, Jun 3, 1:46 PM MDT, 2 hours 37 minutes before
COZ036-032025- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 144 PM MDT SAT JUN 03 1995 ...THUNDERSTORMS IN SOUTHERN JEFFERSON COUNTY... AT 142 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER SOUTHERN JEFFERSON AND SOUTHWESTERN DOUGLAS COUNTIES. THE STORM WAS MOVING SLOWLY NORTH AT 5 TO 10 MPH. SPOTTERES REPORTED HEAVY RAIN AND SMALL HAIL WITH THIS STORM. PEOPLE IN ASPEN PARK...BAILEY...BUFFALO CREEK...CHEESMAN RESERVOIR... SHAFFERS CROSSING...SHAWNEE...SOUTH PLATTE...SPRUCEWOOD...DECKERS...AND WELLINGTON LAKE SHOULD BE ALERT FOR THE POTENTIAL OF SEVERE WEATHER WITH THIS STORM. A FLASH FLOOD WATCH IS IN EFFECT FOR THIS AREA THROUGH MIDNIGHT TONIGHT. BE ALERT FOR RISING WATER IN STREAMS AND RIVERS AND PREPARE TO MOVE TO HIGHER GROUND. RJK
Special weather statement, Jun 3, 2:24 PM MDT, 1 hour 59 minutes before
COZ040>041-043-032100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT JUN 03 1995 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE EASTERN URBAN CORRIDOR... AT 2:22 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATING A LINE OF THUNDERSTORMS DEVELOPING FROM WESTERN ARAPAHOE THROUGH EASTERN DENVER INTO SOUTHCENTRAL WELD COUNTIES...INCLUDING DENVER INTERNATIONAL AIRPORT. THESE STORMS WILL PRODUCE HEAVY RAINS AND SMALL HAIL AS THEY MOVE NORTHWARD AT 10 TO 15 MPH. PEA SIZED HAIL WAS REPORTED AT I-225 AND TAMARAC IN THE SOUTHEAST METRO AREA. A FLASSH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE METRO AREA THROUGH MIDNIGHT TONIGHT...FOR HEAVY RAINS ARE LIKLEY. 8RJK
Special weather statement, Jun 3, 2:25 PM MDT, 1 hour 58 minutes before
COZ040>041-043-032100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT JUN 03 1995 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS THE EASTERN URBAN CORRIDOR... AT 2:22 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATING A LINE OF THUNDERSTORMS DEVELOPING FROM WESTERN ARAPAHOE THROUGH EASTERN DENVER INTO SOUTHCENTRAL WELD COUNTIES...INCLUDING DENVER INTERNATIONAL AIRPORT. THESE STORMS WILL PRODUCE HEAVY RAINS AND SMALL HAIL AS THEY MOVE NORTHWARD AT 10 TO 15 MPH. PEA SIZED HAIL WAS REPORTED AT I-225 AND TAMARAC IN THE SOUTHEAST METRO AREA. A FLASSH FLOOD WATCH IS IN EFFECT FOR THE ENTIRE METRO AREA THROUGH MIDNIGHT TONIGHT...FOR HEAVY RAINS ARE LIKLEY. RJK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 6:15 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 30 min |
| Jun 2, 6:30 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Weld | 45 min |
| Jun 3, 2:31 PM MDT | Tornado Warning | BOU | Adams, Weld | 29 min |
| Jun 3, 2:41 PM MDT | Tornado Warning | BOU | Douglas | 34 min |
| Jun 3, 3:11 PM MDT | Tornado Warning | BOU | Adams, Arapahoe, Denver | 34 min |
| Jun 3, 3:25 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 35 min |
| Jun 3, 3:32 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 43 min |
| Jun 3, 3:38 PM MDT | Tornado Warning | BOU | Douglas | 37 min |
| Jun 3, 4:23 PM MDT | Severe Thunderstorm Warning | BOU | Morgan | 37 min |
| Jun 3, 5:15 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe, Elbert | 35 min |
| Jun 3, 5:17 PM MDT | Tornado Warning | BOU | Adams | 43 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1995Every severe thunderstorm warning in 1995
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.