Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 226, NWS Kansas City, MO

July 18, 2001Doniphan County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 18, 2001, 10:37 PM CDT for Doniphan County, Kansas. It was in force for 38 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 18, 2001, 10:37 PM CDT (03:37 UTC)
Expired: Jul 18, 2001, 11:15 PM CDT
In force: 38 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Doniphan County, KS

The radar

The Topeka radar (KTWX), 128 km from the middle of the area, began a volume at 03:38 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
Jul 18, 10:38 PM CDT	Thunderstorm Wind 52 E	Highland, KS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 18, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 3.6 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-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: 3888 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1783 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 94 m²/s²
0-3 km storm-relative helicity: 233 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 19.6

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 9:30 PM CDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jul 18, 9:30 PM CDT, 1 hour 7 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
930 PM CDT WED JUL 18 2001

RECONFIGURATION OF FLASH FLOOD WATCH LOOKS NECESSARY GIVEN THE
EVOLUTION OF THE CURRENT WEATHER SITUATION. WIND PROFILERS AT 850 MB
SHOW CONCENTRATION OF LOW LEVEL WAA FURTHER WEST THAN ADVERTISED BY
THE MORNING MODEL PACKAGE. THUS...THE HEAVY RAIN POTENTIAL WILL
LIKELY BE POSITIONED FURTHER WEST INTO SCENTRAL NEBR AND NCENTRAL
KS. WILL LEAVE A HANDFUL OF COUNTIES IN THE WATCH WHERE THE HEAVY
RAINS FELL LAST NIGHT. FLASH FLOOD GUIDANCE IN THESE COUNTIES ARE
GENERALLY LESS THAN AN INCH AND A QUARTER.

.EAX...
FLASH FLOOD WATCH
MO...ZONES 001-011-012
KS...ZONES 025-102

EXCESSIVE HEAT WARNING
MO...ZONES 020>022-028>031-037>040-043>046-053-054
KS...ALL ZONES

KOCH

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 18, 10:02 PM CDT	Severe Thunderstorm Warning	EAX	Atchison	43 min
Jul 18, 10:09 PM CDT	Severe Thunderstorm Warning	EAX	Holt	66 min
Jul 18, 10:58 PM CDT	Severe Thunderstorm Warning	EAX	Andrew	62 min
Jul 18, 11:44 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan	46 min
Jul 19, 12:07 AM CDT	Severe Thunderstorm Warning	EAX	Clinton	38 min
Jul 19, 12:46 AM CDT	Severe Thunderstorm Warning	EAX	Buchanan	44 min
Jul 19, 12:51 AM CDT	Severe Thunderstorm Warning	EAX	Platte	54 min
Jul 19, 1:05 AM CDT	Severe Thunderstorm Warning	EAX	Clay, Clinton	55 min
Jul 19, 4:48 PM CDT	Severe Thunderstorm Warning	EAX	Howard	57 min
Jul 19, 5:00 PM CDT	Severe Thunderstorm Warning	EAX	Cooper	60 min
Jul 19, 5:49 PM CDT	Severe Thunderstorm Warning	EAX	Saline	56 min
Jul 19, 12:18 AM CDT	Severe Thunderstorm Warning	EAX	Doniphan	42 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2001 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.