Alert archive / Colorado / Tornado Warnings in 2005
Tornado Warning 26, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 27, 2005, 7:57 PM MDT for Logan County, Sedgwick County, Colorado. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 27, 2005, 7:57 PM MDT (01:57 UTC)
- Expired
- Jun 27, 2005, 8:30 PM MDT
- In force
- 33 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Logan County, CO, Sedgwick County, CO
The radar
The Cheyenne radar (KCYS), 176 km from the middle of the area, began a volume at 02:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 27, 8:05 PM MDT | HAIL 1 | 3 Wsw Sedgwick, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 2.0 hours before the alert went out and 117 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
- 9 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 4529 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS55 KBOU 280158
TORBOU
COC075-115-280230-
/O.NEW.KBOU.TO.W.0026.050628T0157Z-050628T0230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
757 PM MDT MON JUN 27 2005
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
NORTHEASTERN LOGAN COUNTY IN NORTHEAST COLORADO
WESTERN SEDGWICK COUNTY IN NORTHEAST COLORADO
* UNTIL 830 PM MDT
* AT 751 PM MDT...WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE
TORNADO NEAR CROOK. THIS STORM WAS MOVING SOUTHEAST AT 10 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TWIN
BUTTES...SEDGWICK...MARKS BUTTE AND CROOK.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
LAT...LON 4101 10313 4072 10287 4071 10265 4075 10265
4075 10232 4100 10244
$$2 follow-up statements
000
WWUS55 KBOU 280209
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
808 PM MDT MON JUN 27 2005
COC075-115-280230-
/O.CON.KBOU.TO.W.0026.000000T0000Z-050628T0230Z/
SEDGWICK CO-LOGAN CO-
808 PM MDT MON JUN 27 2005
...A TORNADO WARNING CONTINUES UNTIL 830 PM MDT FOR NORTHEASTERN
LOGAN AND WESTERN SEDGWICK COUNTIES...
AT 806 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 4 MILES NORTHWEST OF MARKS BUTTE...OR ABOUT 17
MILES SOUTHWEST OF JULESBURG. THIS STORM WAS MOVING SOUTHEAST AT 10
MPH. EARLIER...THIS STORM PRODUCED QUARTER SIZED HAIL 3 MILES SOUTHWEST
OF SEDGWICK.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TWIN BUTTES...SEDGWICK...MARKS BUTTE AND CROOK.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN DENVER.
LAT...LON 4101 10313 4072 10287 4071 10265 4075 10265
4075 10232 4100 10244
$$000
WWUS55 KBOU 280228
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
827 PM MDT MON JUN 27 2005
COC075-115-280237-
/O.EXP.KBOU.TO.W.0026.000000T0000Z-050628T0230Z/
SEDGWICK CO-LOGAN CO-
827 PM MDT MON JUN 27 2005
...THE TORNADO WARNING FOR NORTHEASTERN LOGAN AND WESTERN SEDGWICK
COUNTIES EXPIRED AT 830 PM MDT...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND IS NO
LONGER EXPECTED TO PRODUCE TORNADOES. HOWEVER...STRONG THUNDERSTORM
WINDS AND LARGE HAIL IS POSSIBLE IN SEDGWICK COUNTY AND SEVERE
THUNDERSTORM WARNINGS ARE IN EFFECT FOR THE AREA.
LAT...LON 4101 10313 4072 10287 4071 10265 4075 10265
4075 10232 4100 10244
$$The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 6:23 PM MDT | Tornado Warning | BOU | Logan | 52 min |
| Jun 27, 7:11 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 49 min |
| Jun 27, 8:25 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 50 min |
| Jun 28, 5:30 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 30 min |
Nearby
Tornado Warnings in Colorado, 2005Every tornado warning in 2005Tornadoes in 2005
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.