Alert archive / Colorado / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 339

May 31, 20014 states

The Storm Prediction Center issued this severe thunderstorm watch at May 31, 2001, 4:45 PM MDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 31, 2001, 4:45 PM MDT (22:45 UTC)
Expired
May 31, 2001, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Baca County, CO, Bent County, CO, Crowley County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Harding County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Hartley County, TX, Oldham County, TX

The radar

The Pueblo radar (KPUX), 171 km from the middle of the area, began a volume at 22:45 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

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

IssuedProductOfficeCountiesLasted
May 31, 4:45 PM MDTSevere Thunderstorm WarningPUBKiowa60 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.8 hours before the alert went out and 291 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 12:00Z on 2001-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2001-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1351 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 30, 6:45 PM MDTSevere Thunderstorm WatchSPCCurry, Lea, Quay, Roosevelt5 hr
May 30, 8:00 PM MDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Coal, Cotton, Garvin and 14 more4 hr
May 30, 10:00 PM MDTSevere Thunderstorm WatchSPCTillman5 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2001Severe Thunderstorm Watches in Texas, 2001Severe Thunderstorm Watches in New Mexico, 2001Every severe thunderstorm watch in 2001

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.