Alert archive / Kansas / Flash Flood Warnings in 1993

Flash Flood Warning 124, NWS Topeka, KS

July 21, 1993Lyon County, Osage County, Shawnee County, Kansas

NWS Topeka, KS issued this flash flood warning at Jul 21, 1993, 9:40 PM CDT for Lyon County, Osage County, Shawnee County, Kansas. It was in force for 110 min.

The area

The counties it named.

The facts

Issued: Jul 21, 1993, 9:40 PM CDT (02:40 UTC)
Expired: Jul 21, 1993, 11:30 PM CDT
In force: 110 min
Issued by: NWS Topeka, KS
Area: Whole counties

Counties Lyon County, KS, Osage County, KS, Shawnee County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.7 hours before the alert went out and 38 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: 105 J/kg
Mixed-layer CIN: -189 J/kg
Mixed-layer LCL: 943 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 198 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 21, 5:03 PM CDT, 4 hours 37 minutes before

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Special weather statement, Jul 21, 5:23 PM CDT, 4 hours 17 minutes before

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Special weather statement, Jul 21, 5:24 PM CDT, 4 hours 16 minutes before

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Special weather statement, Jul 21, 6:09 PM CDT, 3 hours 31 minutes before

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Special weather statement, Jul 21, 6:40 PM CDT, 3 hours before

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Special weather statement, Jul 21, 6:41 PM CDT, 2 hours 59 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 7:58 PM CDT	Flash Flood Warning	TOP	Wabaunsee	2 hr
Jul 21, 8:33 PM CDT	Flash Flood Warning	TOP	Shawnee	87 min
Jul 21, 9:25 PM CDT	Flash Flood Warning	TOP	Douglas, Jefferson	2 hr
Jul 21, 11:05 PM CDT	Flash Flood Warning	TOP	Franklin	115 min
Jul 21, 11:32 PM CDT	Flash Flood Warning	TOP	Lyon, Osage	88 min
Jul 22, 12:00 AM CDT	Flash Flood Warning	TOP	Marshall, Nemaha	2 hr
Jul 22, 1:08 AM CDT	Flash Flood Warning	TOP	Coffey, Lyon, Morris, Osage	3 hr
Jul 22, 1:08 AM CDT	Flash Flood Warning	TOP	Anderson, Franklin	3 hr
Jul 22, 1:47 AM CDT	Flash Flood Warning	TOP	Marshall, Nemaha	118 min
Jul 22, 1:47 AM CDT	Flash Flood Warning	TOP	Brown	118 min
Jul 22, 3:14 AM CDT	Flash Flood Warning	TOP	Atchison	2 hr

Nearby

Flash Flood Warnings in Kansas, 1993 Every flash flood warning in 1993

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.