Alert archive / Colorado / Tornado Warnings in 2008
Tornado Warning 13, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 23, 2008, 3:49 PM MDT for Morgan County, Colorado. It was in force for 41 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
- May 23, 2008, 3:49 PM MDT (21:49 UTC)
- Expired
- May 23, 2008, 4:30 PM MDT
- In force
- 41 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
County Morgan County, CO
The radar
The Denver radar (KFTG), 70 km from the middle of the area, began a volume at 21:51 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 |
|---|---|---|---|
| May 23, 4:22 PM MDT | HAIL 1.5 | Weldona, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 12:41 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.8 hours before the alert went out and 74 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 974 m above ground
- 0-6 km bulk shear
- 87 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 149 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 232149
TORBOU
COC087-232230-
/O.NEW.KBOU.TO.W.0013.080523T2149Z-080523T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
349 PM MDT FRI MAY 23 2008
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN MORGAN COUNTY IN NORTHEAST COLORADO
* UNTIL 430 PM MDT
* AT 348 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES
NORTHEAST OF WIGGINS...OR 13 MILES WEST OF FORT MORGAN. ANY OF THE
STORMS IN WESTERN MORGAN COUNTY WILL BE CAPABLE OF PRODUCING SHORT
LIVED TORNADOES. THE STORMS WERE MOVING NORTH AT 34 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WIGGINS...
WELDONA...ORCHARD...LOG LANE VILLAGE...JACKSON RESERVOIR...HOYT...
GOODRICH AND ADENA.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SAFE SHELTER IS AVAILABLE...LIE FLAT IN
THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR
HANDS.
LAT...LON 4053 10381 4000 10382 4000 10399 4000 10400
4000 10415 4052 10414
TIME...MOT...LOC 2148Z 164DEG 30KT 4028 10404
$$
BARJENBRUCH1 follow-up statement
000
WWUS55 KBOU 232218
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
418 PM MDT FRI MAY 23 2008
COC087-232230-
/O.CON.KBOU.TO.W.0013.000000T0000Z-080523T2230Z/
MORGAN CO-
418 PM MDT FRI MAY 23 2008
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR WESTERN
MORGAN COUNTY...
AT 417 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED 3 MILES NORTH OF ADENA...OR 15 MILES SOUTH
SOUTHWEST OF FORT MORGAN. THIS STORM WAS MOVING NORTH AT 45 MPH.
OTHER AREAS OF STRONG ROTATION WERE NOTED ACROSS THE REST OF WESTERN
MORGAN COUNTY EXTENDING THROUGH THE JACKSON RESERVOIR AREA.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WIGGINS...WELDONA...ORCHARD...LOG LANE VILLAGE...JACKSON RESERVOIR...
HOYT...GOODRICH AND ADENA.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM MDT FRIDAY EVENING FOR
NORTHEASTERN COLORADO.
LAT...LON 4000 10382 4000 10415 4052 10414 4053 10392
4052 10381
TIME...MOT...LOC 2217Z 169DEG 39KT 4010 10389
$$
BARJENBRUCHThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 4:14 AM MDT | Flash Flood Watch | BOU | Boulder, Larimer, Weld | 15 hr |
| May 23, 3:35 PM MDT | Tornado Warning | BOU | Weld | 25 min |
| May 23, 3:54 PM MDT | Tornado Warning | BOU | Weld | 21 min |
| May 23, 4:01 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 42 min |
| May 23, 4:22 PM MDT | Tornado Warning | BOU | Weld | 38 min |
| May 23, 4:31 PM MDT | Tornado Warning | BOU | Morgan | 44 min |
| May 23, 5:47 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 16 min |
Nearby
Tornado Warnings in Colorado, 2008Every tornado warning in 2008Tornadoes in 2008
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.