Alert archive / Colorado / Tornado Warnings in 2006
Tornado Warning 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at Jun 20, 2006, 5:42 PM MDT for Logan County, Phillips County, Colorado. It was in force for 48 min. 7 reports 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 20, 2006, 5:42 PM MDT (23:42 UTC)
- Expired
- Jun 20, 2006, 6:30 PM MDT
- In force
- 48 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
Counties Logan County, CO, Phillips County, CO
The radar
The Goodland radar (KGLD), 164 km from the middle of the area, began a volume at 23:43 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 20, 5:46 PM MDT | HAIL 0.88 | 2 N Haxtun, CO | |
| Jun 20, 5:53 PM MDT | HAIL 1 | Haxtun, CO | |
| Jun 20, 5:57 PM MDT | HAIL 1.25 | Haxtun, CO | |
| Jun 20, 5:59 PM MDT | HAIL 0.88 | 5 Ne St Petersburg, CO | |
| Jun 20, 6:01 PM MDT | HAIL 1.75 | 12 Sw Haxtun, CO | |
| Jun 20, 6:03 PM MDT | HAIL 1.75 | 8 S Haxtun, CO | |
| Jun 20, 6:05 PM MDT | HAIL 1.75 | 1 N St Petersburg, 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 |
|---|---|---|---|
| Jun 20, 1:59 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.7 hours before the alert went out and 98 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
- 3074 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -85 m²/s²
- 0-3 km storm-relative helicity
- -17 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 202344
TORBOU
COC075-095-210030-
/O.NEW.KBOU.TO.W.0008.060620T2342Z-060621T0030Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
542 PM MDT TUE JUN 20 2006
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN PHILLIPS COUNTY IN NORTHEAST COLORADO
EAST CENTRAL LOGAN COUNTY IN NORTHEAST COLORADO
* UNTIL 630 PM MDT
* AT 542 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
NORTHWEST OF HAXTUN...OR ABOUT 21 MILES WEST OF HOLYOKE. THIS STORM
WAS MOVING EAST SOUTHEAST AT 15 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WAGES...ST
PETERSBURG...PAOLI...HIGHLAND CENTER...HAXTUN AND FAIRFIELD.
THIS WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT WAS IN
EFFECT FOR PHILLIPS COUNTY. THE SEVERE THUNDERSTORM WARNING FOR
SEDGWICK COUNTY HAS BEEN CANCELLED.
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.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
LAT...LON 4076 10282 4051 10288 4049 10266 4048 10244
4074 10244 4074 10267
$$2 follow-up statements
000
WWUS55 KBOU 202355
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
553 PM MDT TUE JUN 20 2006
COC075-095-210030-
/O.CON.KBOU.TO.W.0008.000000T0000Z-060621T0030Z/
PHILLIPS CO-LOGAN CO-
553 PM MDT TUE JUN 20 2006
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR EAST
CENTRAL LOGAN AND WESTERN PHILLIPS COUNTIES...
AT 553 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR HAXTUN...OR ABOUT 18 MILES WEST OF HOLYOKE.
THIS STORM WAS MOVING EAST SOUTHEAST AT 20 MPH.
A TRAINED SPOTTER IN HAXTUN REPORTED HAIL UP TO ONE INCH IN DIAMETER
AND HEAVY RAIN.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAGES...PAOLI...HOLYOKE...HIGHLAND CENTER...HAXTUN AND FAIRFIELD.
THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 4074 10276 4050 10279 4049 10266 4048 10232
4074 10228 4074 10267
$$000
WWUS55 KBOU 210011
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
610 PM MDT TUE JUN 20 2006
COC075-095-210030-
/O.CON.KBOU.TO.W.0008.000000T0000Z-060621T0030Z/
PHILLIPS CO-LOGAN CO-
610 PM MDT TUE JUN 20 2006
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MDT FOR
SOUTHEASTERN LOGAN AND WESTERN PHILLIPS COUNTIES...
AT 610 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR HIGHLAND CENTER...OR ABOUT 16 MILES WEST OF
HOLYOKE. ANOTHER SEVERE STORM WAS LOCATED SOUTHEAST OF FAIRFIELD.
THESE STORMS WERE MOVING SOUTHEAST AT 15 MPH.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WAGES...ST PETERSBURG...PAOLI...HOLYOKE...HIGHLAND CENTER AND HAXTUN.
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.
IN ADDITION TO THE TORNADO...THESE STORMS ARE CAPABLE OF PRODUCING LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
LAT...LON 4069 10268 4058 10282 4044 10289 4045 10268
4045 10232 4072 10224 4069 10262
$$The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 4:16 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 44 min |
| Jun 20, 4:40 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 50 min |
| Jun 20, 4:55 PM MDT | Severe Thunderstorm Warning | BOU | Logan | 50 min |
| Jun 20, 5:03 PM MDT | Tornado Warning | BOU | Logan | 42 min |
| Jun 20, 5:20 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 40 min |
| Jun 20, 5:34 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 56 min |
Nearby
Tornado Warnings in Colorado, 2006Every tornado warning in 2006Tornadoes in 2006
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.