Alert archive / Colorado / Tornado Warnings in 2013

Tornado Warning 3, NWS Goodland, KS

April 8, 2013Yuma County, Colorado

NWS Goodland, KS issued this tornado warning at Apr 8, 2013, 6:23 PM MDT for Yuma County, Colorado. It was in force for 22 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
Apr 8, 2013, 6:23 PM MDT (00:23 UTC)
Expired
Apr 8, 2013, 6:45 PM MDT
In force
22 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Yuma County, CO

The radar

The Goodland radar (KGLD), 49 km from the middle of the area, began a volume at 00:24 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.

IssuedProductOfficeLasted
Apr 8, 2:16 PM MDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 0.4 hours before the alert went out and 97 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-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2013-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2013-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
105 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
2884 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
258 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

177 
WFUS53 KGLD 090023
TORGLD
COC125-090045-
/O.NEW.KGLD.TO.W.0003.130409T0023Z-130409T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GOODLAND KS
623 PM MDT MON APR 8 2013

THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN YUMA COUNTY IN NORTHEAST COLORADO...

* UNTIL 645 PM MDT

* AT 619 PM MDT...A CONFIRMED TORNADO WAS LOCATED NEAR BONNY
  RESERVOIR...AND MOVING NORTHEAST AT 15 MPH.

  HAZARD...DAMAGING TORNADO.

  SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO.

  IMPACT...MOBILE HOMES WILL BE HEAVILY DAMAGED OR DESTROYED.
           SIGNIFICANT DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL
           OCCUR. FLYING DEBRIS WILL BE DEADLY TO PEOPLE AND ANIMALS.
           EXTENSIVE TREE DAMAGE IS LIKELY.

* LOCATIONS IMPACTED INCLUDE...
  HALE.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 217 AND 221.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. TAKE COVER NOW. MOVE TO 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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
GOODLAND.

&&

LAT...LON 3973 10205 3957 10206 3957 10217 3957 10227
      3977 10218
TIME...MOT...LOC 0023Z 206DEG 11KT 3961 10214

TORNADO...OBSERVED
HAIL...<.75IN

$$

THEDE
2 follow-up statements
246 
WWUS53 KGLD 090035
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
635 PM MDT MON APR 8 2013

COC125-090045-
/O.CON.KGLD.TO.W.0003.000000T0000Z-130409T0045Z/
YUMA CO-
635 PM MDT MON APR 8 2013

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHEASTERN YUMA COUNTY
UNTIL 645 PM MDT...

AT 628 PM MDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR HALE...AND MOVING NORTHEAST AT 15 MPH.

HAZARD...DEVELOPING TORNADO.

SOURCE...RADAR INDICATED ROTATION.

IMPACT...MOBILE HOMES MAY BE DAMAGED OR DESTROYED. DAMAGE TO 
ROOFS...WINDOWS AND VEHICLES IS POSSIBLE. FLYING DEBRIS WILL BE 
DEADLY TO PEOPLE AND ANIMALS. TREE DAMAGE IS POSSIBLE. 

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF EXTREME SOUTHEASTERN YUMA COUNTY.

THIS INCLUDES HIGHWAY 36 BETWEEN MILE MARKERS 217 AND 221.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO 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.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
GOODLAND.

&&

LAT...LON 3973 10205 3957 10206 3957 10217 3957 10227
      3977 10218
TIME...MOT...LOC 0033Z 213DEG 12KT 3964 10209

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

THEDE
615 
WWUS53 KGLD 090045
SVSGLD

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
645 PM MDT MON APR 8 2013

COC125-090055-
/O.EXP.KGLD.TO.W.0003.000000T0000Z-130409T0045Z/
YUMA CO-
645 PM MDT MON APR 8 2013

...THE TORNADO WARNING FOR SOUTHEASTERN YUMA COUNTY HAS EXPIRED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM MDT. 

LAT...LON 3973 10205 3957 10206 3957 10217 3957 10227
      3977 10218
TIME...MOT...LOC 0035Z 213DEG 12KT 3965 10209

$$

THEDE

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 8, 6:18 PM MDTSpecial Weather StatementGLDPhillips27 min
Apr 8, 7:11 PM MDTTornado WarningGLDYuma34 min
Apr 8, 8:14 PM MDTSevere Thunderstorm WarningGLDYuma61 min
Apr 8, 8:57 PM MDTTornado WarningGLDYuma18 min
Apr 8, 9:44 PM MDTSevere Thunderstorm WarningGLDYuma61 min

Nearby

Tornado Warnings in Colorado, 2013Every tornado warning in 2013Tornadoes in 2013

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.