Alert archive / Colorado / Tornado Warnings in 2007
Tornado Warning 32, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 5, 2007, 12:37 PM MDT for Logan County, Colorado. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 5, 2007, 12:37 PM MDT (18:37 UTC)
- Expired
- May 5, 2007, 1:05 PM MDT
- In force
- 28 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Counties, with a storm outline in the text
County Logan County, CO
The radar
The Denver radar (KFTG), 135 km from the middle of the area, began a volume at 18:37 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 12:00Z, 6.6 hours before the alert went out and 81 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
- 657 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 89 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 051838
TORBOU
COC075-051915-
/O.NEW.KBOU.TO.W.0032.070505T1837Z-070505T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1237 PM MDT SAT MAY 5 2007
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
LOGAN COUNTY IN NORTHEAST COLORADO
* UNTIL 115 PM MDT
* AT 1237 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES
NORTHEAST OF MERINO...OR ABOUT 10 MILES SOUTHWEST OF STERLING. RADAR
ALSO INDICATES ANOTHER STRONG STORM WITH A POSSIBLE TORNADO
NEAR PAWNEE PASS ON HIGHWAY 14. ANOTHER STRONG STORM CONTINUES TO
MOVE NORTHEAST ALONG I-76 NEAR ILIFF. ALL STORMS ARE MOVING NORTHEAST
AT 20 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILLARD...
WESTPLAINS...PROCTOR...PAWNEE PASS...PADRONI...NORTH STERLING
RESERVOIR...MERINO...LOGAN CORNERS...ILIFF...ATWOOD AND STERLING.
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO STRUCTURE
IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
LAT...LON 4044 10347 4044 10303 4087 10287 4089 10357
4052 10355 4053 10347
$$2 follow-up statements
000
WWUS55 KBOU 051849
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1247 PM MDT SAT MAY 5 2007
COC075-051915-
/O.CON.KBOU.TO.W.0032.000000T0000Z-070505T1915Z/
LOGAN CO-
1247 PM MDT SAT MAY 5 2007
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 PM MDT FOR LOGAN
COUNTY...
AT 1247 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS
STORM WAS LOCATED NEAR ATWOOD...OR ABOUT 7 MILES SOUTHWEST OF
STERLING. THIS STORM WAS MOVING NORTHEAST AT 20 MPH. ANOTHER SEVERE
STORM CAPABLE OF PRODUCING A TORNADO CONTINUED TO MOVE NORTHEAST ALONG
I-76 ABOUT 3 MILES SOUTHWEST OF PROCTOR. THIS STORM IS ALSO MOVING
NORTHEAST AT 20 MPH.
LOCATIONS REMAINING IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WILLARD...WESTPLAINS...PROCTOR...PAWNEE PASS...PADRONI...NORTH
STERLING RESERVOIR...MERINO...LOGAN CORNERS...ILIFF...ATWOOD AND
STERLING.
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF A
TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO SAFE
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT AND COVER
YOUR HEAD.
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
LAT...LON 4044 10347 4044 10303 4087 10287 4089 10357
4052 10355 4053 10347
$$000
WWUS55 KBOU 051905
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
105 PM MDT SAT MAY 5 2007
COC075-051915-
/O.CAN.KBOU.TO.W.0032.000000T0000Z-070505T1915Z/
LOGAN CO-
105 PM MDT SAT MAY 5 2007
...THE TORNADO WARNING FOR LOGAN COUNTY IS CANCELLED...
THE THUNDERSTORMS THAT PROMPTED THE WARNING HAVE WEAKENED AND IS NO
LONGER EXPECTED TO PRODUCE SEVERE WEATHER.
LAT...LON 4044 10347 4044 10303 4087 10287 4089 10357
4052 10355 4053 10347
$$The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 6:21 PM MDT | Severe Thunderstorm Warning | BOU | Arapahoe | 39 min |
| May 4, 6:39 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 38 min |
| May 4, 6:41 PM MDT | Tornado Warning | BOU | Arapahoe | 31 min |
| May 4, 6:58 PM MDT | Tornado Warning | BOU | Washington | 47 min |
| May 4, 8:15 PM MDT | Tornado Warning | BOU | Lincoln | 45 min |
| May 4, 8:42 PM MDT | Tornado Warning | BOU | Elbert, Lincoln | 48 min |
| May 4, 8:44 PM MDT | Tornado Warning | BOU | Washington | 46 min |
| May 4, 9:00 PM MDT | Tornado Warning | BOU | Lincoln | 45 min |
| May 4, 9:28 PM MDT | Tornado Warning | BOU | Lincoln | 47 min |
| May 4, 9:32 PM MDT | Tornado Warning | BOU | Washington | 43 min |
| May 4, 10:15 PM MDT | Tornado Warning | BOU | Lincoln | 30 min |
| May 4, 11:00 PM MDT | Severe Thunderstorm Warning | BOU | Phillips, Sedgwick | 60 min |
| May 4, 11:22 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 38 min |
| May 5, 11:25 AM MDT | Severe Thunderstorm Warning | BOU | Logan | 16 min |
| May 5, 11:58 AM MDT | Tornado Warning | BOU | Logan | 47 min |
| May 5, 4:01 PM MDT | Tornado Warning | BOU | Adams | 29 min |
Nearby
Tornado Warnings in Colorado, 2007Every tornado warning in 2007Tornadoes in 2007
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.