Alert archive / Missouri / Flash Flood Warnings in 1986

Flash Flood Warning 1, NWS Springfield, MO

May 13, 1986Shannon County, Missouri

NWS Springfield, MO issued this flash flood warning at May 13, 1986, 11:30 PM CDT for Shannon County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 13, 1986, 11:30 PM CDT (04:30 UTC)
Expired
May 14, 1986, 3:00 AM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Whole counties

County Shannon County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 4.5 hours before the alert went out and 215 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, Springfield, MO at 00:00Z on 1986-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1322 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, Springfield, MO at 00:00Z on 1986-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
1322 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1372 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.2

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, May 13, 8:20 PM CDT, 3 hours 10 minutes before
SPECIAL WEATHER STANTEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
820 PM CDT TUE MAY 13 1986

...INTENSE THUNDERSTORM OVER NORTHERN TEXAS COUNTY IN SOUTHCENTRAL
MISSOURI...

RADAR AT 815 PM CDT INDICATED AN INTENSE THUNDERSTORM 25 MILES
NORTHWEST OF HOUSTON MISSOURI MOVING EAST 20 MPH

THE THUNDERSTORM WILL MOVE INTO THE TOWN OF LICKING..12 MILES
NORTHEAST OF HOUSTON BY 830 PM.

NPEOPLE IN THE PATH OF THE THUNDERSTORM SHOUL+D BE PREPARED FOR HAIL..
STRONG GUSTY WIND AND HEAVY RAIN.

LEE

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 9:46 PM CDTSevere Thunderstorm WarningSGFShannon, Texas44 min
May 13, 10:30 PM CDTSevere Thunderstorm WarningSGFHowell, Shannon, Texas60 min
May 14, 2:57 PM CDTSevere Thunderstorm WarningSGFCedar, Dade, Polk63 min

Nearby

Flash Flood Warnings in Missouri, 1986Every flash flood warning in 1986

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.