Alert archive / Colorado / Tornado Warnings in 2014

Tornado Warning 32, NWS Denver/Boulder, CO

June 4, 2014Elbert County, Lincoln County, Colorado

NWS Denver/Boulder, CO issued this tornado warning at Jun 4, 2014, 10:11 PM MDT for Elbert County, Lincoln County, Colorado. It was in force for 34 min. 2 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 4, 2014, 10:11 PM MDT (04:11 UTC)
Expired: Jun 4, 2014, 10:45 PM MDT
In force: 34 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 2.0 in

Counties Elbert County, CO, Lincoln County, CO

The radar

The Denver radar (KFTG), 96 km from the middle of the area, began a volume at 04:12 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 4, 10:17 PM MDT	HAIL 1.75	Limon, CO
Jun 4, 10:25 PM MDT	TORNADO	2 E Limon, CO	LARGE, MULTI-VORTEXT TORNADO JUST EAST OF LIMON. ALSO REPORTED GOLF BALL SIZED HAIL 5 MILES EAST OF LIMON

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 4, 5:12 PM MDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 4.2 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 168 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 3163 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 262 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

731 
WFUS55 KBOU 050411
TORBOU
COC039-073-050445-
/O.NEW.KBOU.TO.W.0032.140605T0411Z-140605T0445Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DENVER CO
1011 PM MDT WED JUN 4 2014

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN ELBERT COUNTY IN EAST CENTRAL COLORADO...
  NORTH CENTRAL LINCOLN COUNTY IN EAST CENTRAL COLORADO...

* UNTIL 1045 PM MDT
    
* AT 1010 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A 
  TORNADO WAS LOCATED NEAR LIMON...MOVING SOUTHEAST AT 30 MPH. IF 
  YOU ARE IN LIMON SEEK SHELTER IN A STURDY BUILDING NOW! THIS STORM 
  WILL ALSO PRODUCE STRONG WINDS AND VERY LARGE HAIL!

  HAZARD...TORNADO AND HAIL UP TO TWO INCHES IN DIAMETER. 

  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. 

* LOCATIONS IMPACTED INCLUDE...
  LIMON AND GENOA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST 
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A 
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND 
PROTECT YOURSELF FROM FLYING DEBRIS.

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING ISSUED 
FOR THE SAME AREA.

&&

LAT...LON 3929 10383 3942 10374 3933 10340 3922 10343
      3914 10359
TIME...MOT...LOC 0410Z 297DEG 26KT 3929 10372 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

GIMMESTAD

2 follow-up statements

977 
WWUS55 KBOU 050424
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1024 PM MDT WED JUN 4 2014

COC039-050433-
/O.CAN.KBOU.TO.W.0032.000000T0000Z-140605T0445Z/
ELBERT CO-

1024 PM MDT WED JUN 4 2014

...THE TORNADO WARNING FOR NORTHEASTERN ELBERT COUNTY IS CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED INTO 
LINCOLN COUNTY. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM MDT
THURSDAY MORNING FOR NORTHEAST COLORADO.

LAT...LON 3922 10371 3934 10371 3939 10360 3934 10342
      3932 10340 3922 10343 3914 10359
TIME...MOT...LOC 0423Z 309DEG 31KT 3923 10361 

$$

COC073-050445-
/O.CON.KBOU.TO.W.0032.000000T0000Z-140605T0445Z/
LINCOLN CO-
1024 PM MDT WED JUN 4 2014

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT FOR NORTH
CENTRAL LINCOLN COUNTY...
    
AT 1023 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 5 MILES SOUTHEAST OF LIMON...MOVING SOUTHEAST AT 35 MPH.

HAZARD...TORNADO AND TWO INCH HAIL. 

SOURCE...RADAR INDICATED ROTATION. GOLF BALL SIZE HAIL HAS BEEN 
         REPORTED IN LIMON.

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. 

LOCATIONS IMPACTED INCLUDE...
LIMON AND GENOA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A
VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

TORNADOES ARE EXTREMELY DIFFICULT TO SEE AND CONFIRM AT NIGHT. DO NOT
WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW.

&&

LAT...LON 3922 10371 3934 10371 3939 10360 3934 10342
      3932 10340 3922 10343 3914 10359
TIME...MOT...LOC 0423Z 309DEG 31KT 3923 10361 

TORNADO...RADAR INDICATED
HAIL...2.00IN

$$

GIMMESTAD

843 
WWUS55 KBOU 050442
SVSBOU

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
1042 PM MDT WED JUN 4 2014

COC073-050451-
/O.EXP.KBOU.TO.W.0032.000000T0000Z-140605T0445Z/
LINCOLN CO-
1042 PM MDT WED JUN 4 2014

...THE TORNADO WARNING FOR NORTH CENTRAL LINCOLN COUNTY WILL EXPIRE
AT 1045 PM MDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE LIMON 
AREA. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

A TORNADO WARNING STILL REMAINS IN EFFECT FOR HUGO...GENOA...AND 
BOYERO UNTIL 1115 PM. PEOPLE IN THESE AREAS SHOULD REMAIN IN SHELTER.

LAT...LON 3922 10371 3934 10371 3939 10360 3934 10342
      3932 10340 3922 10343 3914 10359
TIME...MOT...LOC 0441Z 297DEG 26KT 3923 10361 

$$

GIMMESTAD

The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 6:00 PM MDT	Severe Thunderstorm Warning	BOU	Washington	45 min
Jun 4, 7:16 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Arapahoe, Elbert	44 min
Jun 4, 7:38 PM MDT	Tornado Warning	BOU	Arapahoe, Lincoln, Washington	22 min
Jun 4, 7:58 PM MDT	Tornado Warning	BOU	Elbert, Lincoln	32 min
Jun 4, 8:26 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Elbert	49 min
Jun 4, 8:32 PM MDT	Tornado Warning	BOU	Lincoln	28 min
Jun 4, 8:41 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Douglas, Elbert	34 min
Jun 4, 9:15 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Elbert	45 min
Jun 4, 9:19 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	41 min
Jun 4, 9:24 PM MDT	Special Weather Statement	BOU	Douglas	51 min
Jun 4, 9:33 PM MDT	Areal Flood Advisory	BOU	Grand, Summit	4 days
Jun 4, 9:50 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	40 min
Jun 4, 10:32 PM MDT	Tornado Warning Tornado observed	BOU	Lincoln	43 min
Jun 5, 2:47 PM MDT	Special Weather Statement	BOU	Arapahoe, Douglas	28 min
Jun 5, 2:58 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	47 min
Jun 5, 3:42 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	33 min
Jun 5, 4:13 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	47 min
Jun 5, 4:27 PM MDT	Special Weather Statement	BOU	Denver	33 min
Jun 5, 4:50 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	40 min
Jun 5, 4:55 PM MDT	Severe Thunderstorm Warning	BOU	Adams, Denver	35 min
Jun 5, 5:00 PM MDT	Severe Thunderstorm Warning	BOU	Jefferson	30 min
Jun 5, 5:24 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	51 min
Jun 5, 5:51 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Denver, Douglas	24 min

Nearby

Tornado Warnings in Colorado, 2014 Every tornado warning in 2014 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.