Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 13, 1993, 6:16 PM MDT for Arapahoe County, Colorado. It was in force for 14 min.
The area
The counties it named.
The facts
- Issued
- May 13, 1993, 6:16 PM MDT (00:16 UTC)
- Expired
- May 13, 1993, 6:30 PM MDT
- In force
- 14 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Arapahoe County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.3 hours before the alert went out and 98 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
- 190 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 2941 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 1 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 140017
SVRDEN
COC005-140030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
616 PM MDT THU MAY 13 1993
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
NORTH CENTRAL ARAPAHOE
AT 616 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM 23 MILES EAST OF DENVER. RADAR INDICATED THAT
LARGE HAIL WAS OCCURRING WITH THIS STORM.
THE STORM WAS MOVING SOUTH-SOUTHEAST AT 20 MPH.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST >OFFICE IN DENVER.
MCQUEEN
LAT...LON 3964 10443 3962 10455 3973 10454 3973 10446What 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, May 13, 1:30 PM MDT, 4 hours 46 minutes before
COZ004-011-132100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 130 PM MDT THU MAY 13 1993 ...THUNDERSTORMS OVER THE FOOTHILLS... AT 120 PM...A WEATHER SPOTTER IN ESTES PARK REPORTED A SMALL FUNNEL CLOUD ASSOCIATED WITH A THUNDERSTORM WHICH HAD RAPIDLY DEVELOPED OVER THE FOOTHILLS IN LARIMER COUNTY. NATIONAL WEATHER SERVICE DOPPLER RADAR ALSO INDICATES THUNDERSTORMS DEVELOPING OVER JEFFERSON COUNTY. THESE THUNDERSTORMS WERE ALL MOVING SOUTHEASTWARD AT ABOUT 15 MPH. ADDITIONAL THUNDERSTORMS WILL DEVELOP OVER HIGHER TERRAIN THE NEXT COUPLE HOURS WITH PERIODS OF RAIN...SMALL HAIL AND DANGEROUS LIGHTNING. LATER THIS AFTERNOON...THUNDERSTORMS WILL THEN BEGIN MOVING OUT ONTO THE PLAINS. SMALL...SHORT LIVED FUNNEL CLOUDS MAY OCCUR AS THUNDERSTORMS DEVELOP THIS AFTERNOON...BUT NO TORNADOES ARE EXPECTED TO OCCUR WITH ANY OF THESE STORMS. DANKERS
Special weather statement, May 13, 1:34 PM MDT, 4 hours 42 minutes before
COZ004-011-132100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 130 PM MDT THU MAY 13 1993 ...THUNDERSTORMS OVER THE FOOTHILLS... AT 120 PM...A WEATHER SPOTTER IN ESTES PARK REPORTED A SMALL FUNNEL CLOUD ASSOCIATED WITH A THUNDERSTORM WHICH HAD RAPIDLY DEVELOPED OVER THE FOOTHILLS IN LARIMER COUNTY. NATIONAL WEATHER SERVICE DOPPLER RADAR ALSO INDICATES THUNDERSTORMS DEVELOPING OVER JEFFERSON COUNTY. THESE THUNDERSTORMS WERE ALL MOVING SOUTHEASTWARD AT ABOUT 15 MPH. ADDITIONAL THUNDERSTORMS WILL DEVELOP OVER HIGHER TERRAIN THE NEXT COUPLE HOURS WITH PERIODS OF RAIN...SMALL HAIL AND DANGEROUS LIGHTNING. LATER THIS AFTERNOON...THUNDERSTORMS WILL THEN BEGIN MOVING OUT ONVTO THE PLAINS. SMALL...SHORT LIVED FUNNEL CLOUDS MAY OCCUR AS THUNDERSTORMS DEVELOP THIS AFTERNOON...BUT NO TORNADOES ARE EXPECTED TO OCCUR WITH ANY OF THESE STORMS. DANKERS
Special weather statement, May 13, 4:38 PM MDT, 1 hour 38 minutes before
COZ011-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 438 PM MDT THU MAY 13 1993 AT 433 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A GROUP OF THUNDERSTORMS IN NORTH-CENTRAL BOULDER COUNTY NEAR THE TOWN OF LYONS...OR ABOUT 29 MILES SOUTHWEST OF FORT COLLINS. THESE STORM WERE MOVING SOUTHEAST AT 18 MPH. PEOPLE IN THE TOWNS OF JAMESTOWN... LYONS AND RAYMOND CAN EXPECT BRIEF PERIODS OF RAIN...SMALL HAIL AND GUSTY WINDS IN THE NEXT HOUR. INTENSE LIGHTNING IS OCCURRING 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. DANKERS LAT...LON 4011 10516 4009 10543 4030 10546 4032 10518
Special weather statement, May 13, 4:40 PM MDT, 1 hour 36 minutes before
COZ011-132315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 438 PM MDT THU MAY 13 1993 AT 433 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A GROUP OF THUNDERSTORMS IN NORTH-CENTRAL BOULDER COUNTY NEAR THE TOWN OF LYONS...OR ABOUT 29 MILES SOUTHWEST OF FORT COLLINS. THESE STORM WERE MOVING SOUTHEAST AT 18 MPH. PEOPLE IN THE TOWNS OF JAMESTOWN... LYONS AND RAYMOND CAN EXPECT BRIEF PERIODS OF RAIN...SMALL HAIL AND GUSTY WINDS IN THE NEXT HOUR. INTENSE LIGHTNING IS OCCURRING 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. DANKERS LAT...LON 4011 10516 4009 10543 4030 10546 4032 10518
Special weather statement, May 13, 6:05 PM MDT, 11 minutes before
COZ012-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 605 PM MDT THU MAY 13 1993 AT 557 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM NEAR ROGGEN...OR 31 MILES SOUTHEAST OF GREELEY. THE STORM WAS MOVING SOUTHEAST AT ABOUT 13 MPH. PEOPLE IN SOUTHERN WELD COUNTY...TO THE EAST OF PROSPECT VALLEY AND IN THE SOUTHWEST CORNER OF MORGAN COUNTY CAN EXPECT THE THUNDERSTORM TO MOVE PAST IN THE NEXT HOUR. PERIODS OF HEAVY RAIN...SMALL HAIL AND WIND GUSTS UP TO 45 MPH ARE POSSIBLE WITH THE STORM. INTENSE LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES OR MOVE INDOORS IF POSSIBLE. WHEN INDOORS... AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. ALSO...TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. DANKERS LAT...LON 3996 10412 3996 10442 4019 10433 4020 10409
Special weather statement, May 13, 6:07 PM MDT, 9 minutes before
COZ012-140100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 605 PM MDT THU MAY 13 1993 AT 557 PM MDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM NEAR ROGGEN...OR 31 MILES SOUTHEAST OF GREELEY. THE STORM WAS MOVING SOUTHEAST AT ABOUT 13 MPH. PEOPLE IN SOUTHERN WELD COUNTY...TO THE EAST OF PROSPECT VALLEY AND IN THE SOUTHWEST CORNER OF MORGAN COUNTY CAN EXPECT THE THUNDERSTORM TO MOVE PAST IN THE NEXT HOUR. PERIODS OF HEAVY RAIN...SMALL HAIL AND WIND GUSTS UP TO 45 MPH ARE POSSIBLE WITH THE STORM. INTENSE LIGHTNING IS ALSO POSSIBLE WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES OR MOVE INDOORS IF POSSIBLE. WHEN INDOORS"... AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. ALSO...TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. DANKERS LAT...LON 3996 10412 3996 10442 4019 10433 4020 10409
Nearby
Severe Thunderstorm Warnings in Colorado, 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.