Alert archive / Colorado / Tornado Warnings in 2014
Tornado Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this tornado warning at May 7, 2014, 3:30 PM MDT for Washington County, Colorado. It was in force for 45 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 7, 2014, 3:30 PM MDT (21:30 UTC)
- Expired
- May 7, 2014, 4:15 PM MDT
- In force
- 45 min
- Issued by
- NWS Denver/Boulder, CO
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.75 in
County Washington County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 21:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 12:37 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 9.5 hours before the alert went out and 16 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
- 97 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
191
WFUS55 KBOU 072130
TORBOU
COC121-072215-
/O.NEW.KBOU.TO.W.0005.140507T2130Z-140507T2215Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
330 PM MDT WED MAY 7 2014
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A
* TORNADO WARNING FOR...
WEST CENTRAL WASHINGTON COUNTY IN NORTHEAST COLORADO...
* UNTIL 415 PM MDT
* AT 330 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 8 MILES EAST OF WOODROW...OR 19 MILES SOUTHWEST
OF AKRON...MOVING NORTHEAST AT 20 MPH.
HAZARD...TORNADO AND GOLF BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.
* THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
WEST CENTRAL WASHINGTON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3984 10341 3989 10354 4014 10336 4008 10316
TIME...MOT...LOC 2130Z 211DEG 16KT 3993 10342
TORNADO...RADAR INDICATED
HAIL...1.75IN
$$
BAKER1 follow-up statement
421
WWUS55 KBOU 072153
SVSBOU
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
353 PM MDT WED MAY 7 2014
COC121-072215-
/O.CON.KBOU.TO.W.0005.000000T0000Z-140507T2215Z/
WASHINGTON CO-
353 PM MDT WED MAY 7 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR CENTRAL
WASHINGTON COUNTY...
AT 353 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES SOUTH OF AKRON...MOVING NORTHEAST AT 25 MPH.
HAZARD...TORNADO AND PING PONG BALL SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
THIS TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
CENTRAL WASHINGTON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. IF YOU
CANNOT SAFELY DRIVE AWAY FROM THE TORNADO...AS A LAST RESORT...EITHER
PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN
IN A LOW LYING AREA AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3993 10333 3999 10344 4014 10336 4008 10316
TIME...MOT...LOC 2153Z 230DEG 20KT 4006 10325
TORNADO...RADAR INDICATED
HAIL...1.50IN
$$
BAKERThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 8:46 PM MDT | Special Weather Statement | BOU | Weld | 29 min |
| May 6, 11:23 PM MDT | Special Weather Statement | BOU | Weld | 52 min |
| May 6, 11:49 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 41 min |
| May 7, 1:31 PM MDT | Special Weather Statement | BOU | Larimer | 44 min |
| May 7, 1:45 PM MDT | Severe Thunderstorm Warning | BOU | Larimer, Weld | 45 min |
| May 7, 1:51 PM MDT | Tornado Warning | BOU | Weld | 24 min |
| May 7, 1:51 PM MDT | Tornado Warning | BOU | Weld | 24 min |
| May 7, 2:26 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Arapahoe, Washington | 49 min |
| May 7, 2:32 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 43 min |
| May 7, 2:33 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 27 min |
| May 7, 2:39 PM MDT | Tornado Warning | BOU | Weld | 36 min |
| May 7, 2:56 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 34 min |
| May 7, 3:00 PM MDT | Severe Thunderstorm Warning | BOU | Larimer | 45 min |
| May 7, 3:01 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 44 min |
| May 7, 3:04 PM MDT | Severe Thunderstorm Warning | BOU | Adams, Morgan, Washington | 41 min |
| May 7, 3:27 PM MDT | Tornado Warning | BOU | Weld | 33 min |
| May 7, 3:57 PM MDT | Severe Thunderstorm Warning | BOU | Washington | 48 min |
| May 7, 4:00 PM MDT | Severe Thunderstorm Warning | BOU | Weld | 30 min |
| May 7, 4:15 PM MDT | Tornado Warning | BOU | Washington | 45 min |
| May 7, 4:26 PM MDT | Tornado Warning | BOU | Weld | 34 min |
| May 7, 4:50 PM MDT | Tornado Warning | BOU | Logan, Phillips, Washington | 40 min |
| May 7, 4:52 PM MDT | Tornado Warning | BOU | Phillips | 23 min |
| May 7, 4:57 PM MDT | Tornado Warning | BOU | Logan, Sedgwick | 48 min |
| May 7, 5:10 PM MDT | Tornado Warning | BOU | Phillips | 35 min |
| May 7, 5:17 PM MDT | Special Weather Statement | BOU | Broomfield | 43 min |
| May 7, 5:24 PM MDT | Special Weather Statement | BOU | Broomfield | 36 min |
| May 7, 5:30 PM MDT | Severe Thunderstorm Warning | BOU | Boulder | 45 min |
| May 7, 5:30 PM MDT | Tornado Warning | BOU | Logan, Phillips | 30 min |
| May 7, 5:38 PM MDT | Tornado Warning | BOU | Phillips, Sedgwick | 37 min |
Nearby
Tornado Warnings in Colorado, 2014Every tornado warning in 2014Tornadoes in 2014
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.