Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 712

October 1, 20025 states

The Storm Prediction Center issued this severe thunderstorm watch at Oct 1, 2002, 4:40 PM MDT for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Oct 1, 2002, 4:40 PM MDT (22:40 UTC)
Expired
Oct 1, 2002, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
All 28 counties

Baca County, CO, Prowers County, CO, Finney County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Meade County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Guadalupe County, NM, Harding County, NM, Quay County, NM, Union County, NM, Cimarron County, OK, Texas County, OK, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 142 km from the middle of the area, began a volume at 22:43 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.

Warnings issued inside it

10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Oct 1, 5:02 PM MDTSevere Thunderstorm WarningDDCMorton58 min
Oct 1, 5:24 PM MDTSevere Thunderstorm WarningABQHarding51 min
Oct 1, 5:33 PM MDTSevere Thunderstorm WarningDDCStanton42 min
Oct 1, 6:01 PM MDTSevere Thunderstorm WarningDDCHamilton, Kearny44 min
Oct 1, 6:16 PM MDTSevere Thunderstorm WarningABQUnion44 min
Oct 1, 6:35 PM MDTSevere Thunderstorm WarningAMADeaf Smith85 min
Oct 1, 6:44 PM MDTSevere Thunderstorm WarningAMADallam, Hartley91 min
Oct 1, 8:13 PM MDTSevere Thunderstorm WarningAMAPotter77 min
Oct 1, 9:16 PM MDTSevere Thunderstorm WarningAMADeaf Smith44 min
Oct 1, 9:54 PM MDTSevere Thunderstorm WarningDDCMorton51 min

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 10.7 hours before the alert went out and 143 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, Amarillo Airport, TX at 12:00Z on 2002-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 276 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2002-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
276 J/kg
Mixed-layer CIN
-186 J/kg
Mixed-layer LCL
1345 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
115 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 1, 3:35 PM MDTSevere Thunderstorm WatchSPCBarton, Clay, Cloud, Ellis, Ellsworth, Finney and 25 more6 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Texas, 2002Severe Thunderstorm Watches in New Mexico, 2002Every severe thunderstorm watch in 2002

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.