Alert archive / Colorado / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 16, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this severe thunderstorm warning at May 18, 1995, 7:46 PM MDT for Jefferson County, Colorado. It was in force for 20 min.
The area
The counties it named.
The facts
- Issued
- May 18, 1995, 7:46 PM MDT (01:46 UTC)
- Expired
- May 18, 1995, 8:06 PM MDT
- In force
- 20 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Whole counties
County Jefferson County, CO
The radar
The Denver radar (KFTG), 64 km from the middle of the area, began a volume at 01:50 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 00:00Z, 1.8 hours before the alert went out and 176 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
- 38 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 2040 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 160 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 190149
SVRDEN
COC001-005-031-059-190215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DENVER CO
746 PM MDT THU MAY 18 1995
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
SOUTHWESTERN ADAMS...NORTHWESTERN ARAPAHOE...CENTRAL DENVER
AND EXTREME NORTHEASTERN JEFFERSON
INCLUDING THE FOLLOWING LOCATIONS
ARVADA...AURORA...COMMERCE CITY...DENVER...DENVER INTL
AIRPORT...EDGEWATER...ENGLEWOOD...LAKEWOOD...MOUNTAIN VIEW
...SHERIDAN...THORNTON...WESTMINSTER AND WHEAT RIDGE
AT 746 PM MDT...A SPOTTER REPORTED 1 1/4 INCH DIAMETER HAIL IN
WHEATRIDGE.
THIS STORM WAS MOVING EAST AT 25 MPH...AND WILL MOVE THROUGH DOWNTOWN
DENVER BY 755 PM AND THEN INTO AURORA BY 805 PM.
TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE$
FORECAST OFFICE IN DENVER.
LAT...LON 3966 10484 3965 10510 3980 10513 3987 10498
3981 10474What 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 18, 3:19 PM MDT, 4 hours 27 minutes before
COZ040-043-044-045-182200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 318 PM MDT THU MAY 18 1995 AT 315 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS NORTHEAST COLORADO. ONE STORM WAS LOCATED OVER THE WESTERN SUBURBS OF DENVER...ANOTHER WAS 15 MILES SOUTHEAST OF GREELEY...WHILE STILL ANOTHER STORM WAS LOCATED 10 MILES NORTHWEST OF AKRON. THESE STORMS WERE MOVING SOUTHEAST AT 25 MPH. ONE STORM WITH BRIEF HEAVY RAIN AND GUSTY WINDS WILL MOVE THROUGH DENVER BETWEEN 320 AND 4 PM...WHILE THE OTHER STORMS WITH GUSTY WINDS AND SMALL HAIL WILL MOVE TO NEAR AKRON AND STERLING BEFORE 4 PM. WHEN THUNDERSTORMS APPROACH YOUR AREA...M OVE INDOORS AND STAY AWAY FROM OPEN WINDOWS. BARJENBRUCH
Special weather statement, May 18, 4:00 PM MDT, 3 hours 46 minutes before
COZ038>045-048>050-182300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 400 PM MDT THU MAY 18 1995 AT 357 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS NORTHEAST COLORADO. THE STRONGEST STORMS WERE LOCATED OVER MORGAN AND NORTHERN WELD COUNTIES. OTHER STORMS WERE SCATTERED BETWEEN DENVER AND FORT COLLINS. THE STORMS WERE MOVING EAST/SOUTHEAST AT 25 MPH AND CONTAINED BRIEF HEAVY RAIN...GUSTY WINDS UP TO 35 MPH...AND POSSIBLY SOME SMALL HAIL. BY 5 PM MDT...THE STRONGEST STORMS WILL BE LOCATED OVER WASHINGTON AND EXTREME EASTERN ADAMS COUNTY. WHEN THUNDERSTORMS APPROACH YOUR AREA...MOVE INDOORS AND STAY AWAY FROM WINDOWS. BARJENBRUCH
Special weather statement, May 18, 4:58 PM MDT, 2 hours 48 minutes before
COZ038>050-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 500 PM MDT THU MAY 18 1995 AT 457 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS NORTHEAST COLORADO. THE STRONGEST STORMS WERE LOCATED OVER DOUGLAS...ELBERT...EXTREME EASTERN ADAMS...AND WESTERN WASHINGTON COUNTIES. THESE STORMS WERE MOVING EAST/SOUTHEAST AT 30 MPH AND CONTAINED BRIEF HEAVY RAIN...GUSTY WINDS UP TO 35 MPH...AND POSSIBLY SOME SMALL HAIL. BY 6 PM MDT...THE STRONGEST STORMS WILL BE LOCATED OVER ELBERT AND NORTHERN LINCOLN COUNTIES...JUST TO THE NORTH AND WEST OF LIMON. WHEN THUNDERSTORMS APPROACH YOUR AREA...MOVE INDOORS AND STAY AWAY FROM WINtDOWS. BARJENBRUCH
Special weather statement, May 18, 6:01 PM MDT, 1 hour 45 minutes before
COZ038-041-046-047-190100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 600 PM MDT THU MAY 18 1995 AT 558 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SCATTERED THUNDERSTORMS ACROSS NORTHEAST COLORADO. THE STRONGEST STORMS WERE LOCATED 10 MILES SOUTHWEST OF CASTLE ROCK...20 MILES NORTHWEST OF LIMON...AND 20 MILES NORTHEAST OF LIMON. ANOTHER STRONG STORM WAS LOCATED JUST WEST OF FORT COLLINS. THESE STORMS WERE MOVING EAST/SOUTHEAST AT 30 MPH. BY 7 PM MDT...THE STORMS SHOULD BE WEAKENING. HOWEVER...BRIEF HEAVY RAIN...GUSTY WINDS UP TO 35 MPH...AND POSSIBLY SOME SMALL HAIL CAN STILL BE EXPECTED AS THESE STORMS MOVE THROUGH YOUR AREA. BARJENBRUCjH
Special weather statement, May 18, 6:54 PM MDT, 52 minutes before
COZ038>043-046-047-190200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 652 PM MDT THU MAY 18 1995 AT 650 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS OVER LOVELAND...AND 15 MILES WEST OF LIMON. THE STORM OVER LOVELAND PRODUCED ONE THIRD OF AN INCH OF RAIN IN 10 MINUTES...AS WELL AS PEA SIZED HAIL. ALL OF THE STORMS WERE MOVING EAST/SOUTHEAST AT 25 MPH. BY 8 PM MDT... THE STRONGEST STORMS2 WILL BE LOCATED NEAR GREELEY...AND JUST SOUTH OF LIMON. OTHER SCATTERED STORMS WILL EXTEND BETWEEN GREELEY AND DENVER. WHEN THESE STORMS APPROACH YOUR AREA...MOVE INDOORS AND STAY AWAY FROM WINDOWS. BARJENBRUCH
Special weather statement, May 18, 7:32 PM MDT, 14 minutes before
COZ040-190230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DENVER CO 732 PM MDT THU MAY 18 1995 AT 730 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM ON THE WEST SIDE OF DENVER. IT WAS MOVING EAST AT 25 MPH. AS THIS STORM MOVES THROUGH THE DENVER METRO AREA...EXPECT VERY HEAVY RAIN...HAIL UP TO 1/2 INCH IN DIAMETER...AND POSSIBLY GUSTY WINDS UP TO 35 MPH. WHEN THIS STORM APPROACHES YOUR AREA...MOVE INDOORS AND STAY AWAY FROM WINDOWS. BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:46 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Denver | 29 min |
| May 19, 4:09 PM MDT | Tornado Warning | BOU | Adams | 19 min |
| May 19, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 42 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.