Alert archive / Colorado / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 14, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 22, 1993, 4:12 PM MDT for Washington County, Yuma County, Colorado. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 22, 1993, 4:12 PM MDT (22:12 UTC)
- Expired
- May 22, 1993, 5:00 PM MDT
- In force
- 48 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
Counties Washington County, CO, Yuma County, CO
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.2 hours before the alert went out and 38 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
- 157 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 1411 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 22, 1:59 PM MDT, 2 hours 13 minutes before
COZ011-012-222045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 200 PM MDT SAT MAY 22 1993 ...LINE OF STORMS CONTINUES MOVING EAST... A LINE OF MODERATE TO STRONG THUNDERSTORMS CONTINUES TO MOVE EASTWARDS EAST OF THE DENVER AREA. AT 155 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LINE OF STORMS EXTENDED FROM BRIGGSDALE IN NORTHERN WELD COUNTY SOUTHWARDS INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES. THE STRONGEST STORMS WERE LOCATED IN A LINE FROM SOUTHEAST WELD COUNTY TO NEAR WATKINS IN CENTRAL ADAMS COUNTY. 1/4 TO 1/2 HAIL IS LIKELY WITH THE STRONGER STORMS...AS WELL AS INTENSE LIGHTNING...BRIEF HEAVY RAINS...AND WIND GUSTS OF 30 TO 40 MPH. LARGER HAIL AND STRONGER WINDS ARE POSSIBLE WITH A FEW OF THESE STORMS. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. A NEW AREA OF THUNDERSTORMS IS ALSO LOCATED NEAR THE CONTINENTAL DIVIDE AND WILL MOVE INTO THE FRONT RANGE AREA WITHIN THE NEXT HOUR. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERVICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. SZOKE/MCQUEEN
Special weather statement, May 22, 2:00 PM MDT, 2 hours 12 minutes before
COZ011-012-222045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 200 PM MDT SAT MAY 22 1993 ...LINE OF STORMS CONTINUES MOVING EAST... A LINE OF MODERATE TO STRONG THUNDERSTORMS CONTINUES TO MOVE EASTWARDS EAST OF THE DENVER AREA. AT 155 PM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THE LINE OF STORMS EXTENDED FROM BRIGGSDALE IN NORTHERN WELD COUNTY SOUTHWARDS INTO CENTRAL ADAMS AND ARAPAHOE COUNTIES. THE STRONGEST STORMS WERE LOCATED IN A LINE FROM SOUTHEAST WELD COUNTY TO NEAR WATKINS IN CENTRAL ADAMS COUNTY. 1/4 TO 1/2 HAIL IS LIKELY WITH THE STRONGER STORMS...AS WELL AS INTENSE LIGHTNING...BRIEF HEAVY RAINS...AND WIND GUSTS OF 30 TO 40 MPH. LARGER HAIL AND STRONGER WINDS ARE POSSIBLE WITH A FEW OF THESE STORMS. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. A NEW AREA OF THUNDERSTORMS IS ALSO LOCATED NEAR THE CONTINENTAL DIVIDE AND WILL MOVE INTO THE FRONT RANGE AREA WITHIN THE NEXT HOUR. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERVICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. SZOKE/MCQUEEN
Special weather statement, May 22, 2:25 PM MDT, 1 hour 47 minutes before
COZ011-012-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT MAY 22 1993 ...NEW STRONG THUNDERSTORMS DEVELOPING ALONG THE FRONT RANGE... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STRONG THUNDERSTORMS HAVE DEVELOPED ALONG THE FOOTHILLS FROM WEST OF DENVER NORTHWARDS TO WEST OF BOULDER. THESE STORMS WILL BE MOVING THROUGH THE AREA FROM BOULDER TO ARVADA AND LAKEWOOD WITHIN THE NEXT HALF HOUR. HEAVY RAINS...GUSTY WINDS TO 40 MPH...FREQUENT LIGHTNING...AND HAIL ARE LIKELY WITH THESE STORMS. THE STORMS MAY REACH OTHER PORTIONS OF THE DENVER AREA AFTER 3 PM. 1/2 INCH HAIL WAS REPORTED AT 230 PM NEAR GOLDEN WITH THESE NEW STORMS. TO THE EAST OF DENVER THE LINE OF THUNDERSTORMS THAT BEGAN ALONG THE FRONT RANGE CONTINUES TO PUSH EASTWARDS. THAT LINE IS LOCATED FROM EASTERN WELD COUNTY SOUTHWARDS TO CENTRAL ADAMS AND ARAPAHOE COUNTIES. SMALL HAIL AND BRIEF HEAVY RAINS...ALONG WITH FREQUENT LIGHTNING AND STRONG WINDS ARE POSSIBLE WITH THESE STORMS. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERVICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. SZOKE/MCQUEEN
Special weather statement, May 22, 2:31 PM MDT, 1 hour 41 minutes before
COZ011-012-222100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 225 PM MDT SAT MAY 22 1993 ...NEW STRONG THUNDERSTORMS DEVELOPING ALONG THE FRONT RANGE... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES STRONG THUNDERSTORMS HAVE DEVELOPED ALONG THE FOOTHILLS FROM WEST OF DENVER NORTHWARDS TO WEST OF BOULDER. THESE STORMS WILL BE MOVING THROUGH THE AREA FROM BOULDER TO ARVADA AND LAKEWOOD WITHIN THE NEXT HALF HOUR. HEAVY RAINS...GUSTY WINDS TO 40 MPH...FREQUENT LIGHTNING...AND HAIL ARE LIKELY WITH THESE STORMS. THE STORMS MAY REACH OTHER PORTIONS OF THE DENVER AREA AFTER 3 PM. 1/2 INCH HAIL WAS REPORTED AT 230 PM NEAR GOLDEN WITH THESE NEW STORMS. TO THE EAST OF DENVER THE LINE OF THUNDERSTORMS THAT BEGAN ALONG THE FRONT RANGE CONTINUES TO PUSH EASTWARDS. THAT LINE IS LOCATED FROM EASTERN WELD COUNTY SOUTHWARDS TO CENTRAL ADAMS AND ARAPAHOE COUNTIES. SMALL HAIL AND BRIEF HEAVY RAINS...ALONG WITH FREQUENT LIGHTNING AND STRONG WINDS ARE POSSIBLE WITH THESE STORMS. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERV\ICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. SZOKE/MCQUEEN
Special weather statement, May 22, 3:00 PM MDT, 1 hour 12 minutes before
COZ-012-013-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT SAT MAY 22 1993 ...STRONG THUNDERSTORMS OVER THE EASTERN PLAINS... A LINE OF MODERATE TO STRONG THUNDERSTORMS IS MOVING EASTWARD ACROSS EASTERN ADAMS...EASTERN ARAPAHOE AND MORGAN COUNTIES. ADDITIONAL THUNDERSTORMS ARE ALSO SCATTERED ACROSS WASHINGTON COUNTY. THE STORMS ARE MOVING EAST AT ABOUT 15 MPH. SPOTTERS NORTHERN WASHINGTON COUNTY HAVE REPORTED A FEW FUNNEL CLOUDS ABOUT 5 MILES NORTHEAST OF AKRON. HALF INCH HAIL HAS ALSO OCCURRED WITH THESE STORMS. INTENSE LIGHTNING IS ALSO OCCURRING WITH THESE STORMS. ADDITIONAL STRONG THUNDERSTORM DEVELOPMENT IS EXPECTED TO CONTINUE FOR THE NEXT HOUR IN EASTERN MORGAN...WASHINGTON AND YUMA COUNTIES. LARGER HAIL AND STRONGER WINDS ARE POSSIBLE WITH A FEW OF THESE STORMS. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERVICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. DANKERS
Special weather statement, May 22, 3:04 PM MDT, 1 hour 8 minutes before
COZ-012-013-222200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 300 PM MDT SAT MAY 22 1993 ...STRONG THUNDERSTORMS OVER THE EASTERN PLAINS... A LINE OF MODERATE TO STRONG THUNDERSTORMS IS MOVING EASTWARD ACROSS EASTERN ADAMS...EASTERN ARAPAHOE AND MORGAN COUNTIES. ADDITIONAL THUNDERSTORMS ARE ALSO SCATTERED ACROSS WASHINGTON COUNTY. THE STORMS ARE MOVING EAST AT ABOUT 15 MPH. SPOTTERS NORTHERN WASHINGTON COUNTY HAVE REPORTED A FEW FUNNEL CLOUDS ABOUT 5 MILES NORTHEAST OF AKRON. HALF INCH HAIL HAS ALSO OCCURRED WITH THESE STORMS. INTENSE LIGHTNING IS ALSO OCCURRING WITH THESE STORMS. ADDITIONAL STRONG THUNDERSTORM DEVELOPMENT IS EXPECTED TO CONTINUE FOR THE NEXT HOUR IN EASTERN MORGAN...WASHINGTON AND YUMA COUNTIES. LARGER HAIL AND STRONGER WINDS ARE POSSIBLE WITH A FEW OF THESE STORMS. A TORNADO WATCH HAS BEEN ISSUED FOR PORTIONS OF EASTERN COLORADO FROM AKRON EASTWARDS UNTIL 9 PM THIS EVENING. THE NATIONAL WEATHER SERVICE RECOMMENDS GOING INSIDE DURING ANY THUNDERSTORM ACTIVITY. LIGHTNING IS THE MOST DANGEROUS THREAT FROM THUNDERSTORMS IN COLORADO. KEEP LISTENING FOR UPDATES. DANKERS
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 6:44 PM MDT | Severe Thunderstorm Warning | BOU | Yuma | 16 min |
| May 22, 12:43 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 17 min |
| May 22, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Denver, Jefferson | 25 min |
| May 22, 2:35 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 25 min |
| May 22, 3:30 PM MDT | Severe Thunderstorm Warning | BOU | Washington, Yuma | 45 min |
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.