Alert archive / Colorado / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 49, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jun 23, 1987, 6:24 PM MDT for El Paso County, Colorado. It was in force for 56 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 23, 1987, 6:24 PM MDT (00:24 UTC)
- Expired
- Jun 23, 1987, 7:20 PM MDT
- In force
- 56 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County El Paso County, CO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 6:42 PM MDT | Hail 1 | El Paso, CO | |
| Jun 23, 6:55 PM MDT | Hail 1 | El Paso, CO | |
| Jun 23, 7:00 PM MDT | Hail 1 | El Paso, CO | |
| Jun 23, 7:10 PM MDT | Hail 1 | El Paso, CO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.4 hours before the alert went out and 160 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
- 815 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCOS 240024 SVRCOS COC041-240120- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLORADO SPRINGS CO 624 PM MDT TUE JUN 23 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 720 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF EAST CENTRAL COLORADO... SOUTHERN EL PASO A SEVERE THUNDERSTORM WAS NOTED BY LIMON RADAR IN EXTREME SOUTHWEST EL PASO COUNTY ABOUT 5 MILES WEST OF THE TOWN OF WIGWAM. THIS STORM WAS MOVING EAST AT ABOUT 20 MPH. IF SEVERE WEATHER APPROACHES YOUR AREA..GO TO A STURDY SHELTER AWAY FROM CREEK BEDS AND OTHER LOW AREAS PRONE TO FLOODING. REMEMBER... A SEVERE THUNDERSTORM CAN PRODUCE LARGE HAIL...DAMAGING WINDS OF OVER 60 MPH...DEADLY LIGHTNING...AND HEAVY RAINS THAT CAN QUICKLY FLOOD LOW LYING AREAS. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING...SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED. IN HOMES GO TO THE BASEMENT OR INTO A CLOSET OR BATHROOM. IN SCHOOLS ...HIGH RISES AND HOSPITALS GO TO AN INTERIOR HALLWAY ON THE LOWEST FLOOR. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GO TO A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH...GULLY OR OTHER LOW SPOT. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE. THI|S STORM WILL PASS THROUGH THE TOWNS OF BUTTES AND WIGWAM IN SOUTHWEST EL PASO COUNTY. CROWLEY
The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 6:04 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 66 min |
| Jun 23, 7:12 PM MDT | Severe Thunderstorm Warning | GLD | Elbert, Lincoln | 68 min |
| Jun 23, 7:12 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 68 min |
| Jun 23, 7:29 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 51 min |
| Jun 23, 8:16 PM MDT | Tornado Warning | GLD | Lincoln | 34 min |
| Jun 23, 8:34 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 56 min |
| Jun 24, 3:42 PM MDT | Tornado Warning | GLD | Elbert, Lincoln | 33 min |
| Jun 24, 3:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 62 min |
| Jun 24, 4:00 PM MDT | Severe Thunderstorm Warning | GLD | El Paso | 60 min |
| Jun 24, 4:00 PM MDT | Severe Thunderstorm Warning | GLD | Elbert | 60 min |
| Jun 24, 4:59 PM MDT | Severe Thunderstorm Warning | GLD | El Paso, Lincoln | 76 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 1987Every severe thunderstorm warning in 1987
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.