Alert archive / Missouri / Flash Flood Warnings in 2022

Flash Flood Warning 13, NWS Quad Cities, IA

June 17, 2022Scotland County, Missouri

NWS Quad Cities, IA issued this flash flood warning at Jun 17, 2022, 2:14 AM CDT for Scotland County, Missouri. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2022, 2:14 AM CDT (07:14 UTC)
Expired
Jun 17, 2022, 5:07 AM CDT
In force
3 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

County Scotland County, MO

The radar

The Quad Cities radar (KDVN), 191 km from the middle of the area, began a volume at 07:15 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.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 7.2 hours before the alert went out and 196 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, Davenport, at 00:00Z on 2022-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2022-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.19395878Sfc1 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
8 J/kg
Mixed-layer CIN
-587 J/kg
Mixed-layer LCL
2444 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WGUS53 KDVN 170714
FFWDVN
MOC199-171315-
/O.NEW.KDVN.FF.W.0013.220617T0714Z-220617T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Quad Cities IA IL
214 AM CDT Fri Jun 17 2022

The National Weather Service in Quad Cities has issued a

* Flash Flood Warning for...
  Southern Scotland County in northeastern Missouri...

* Until 815 AM CDT Friday.

* At 214 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 4 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Memphis, Rutledge, South Gorin, Crawford, Spillman Mound, Sand 
  Hill, Scotland County Fairgrounds, Memphis Memorial Airport, Bible 
  Grove and Etna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 4048 9235 4044 9195 4030 9195 4030 9235

FLASH FLOOD...RADAR INDICATED

$$

Gross
1 follow-up statement
668 
WGUS73 KDVN 171007
FFSDVN

Flash Flood Statement
National Weather Service Quad Cities IA IL
507 AM CDT Fri Jun 17 2022

MOC199-171017-
/O.CAN.KDVN.FF.W.0013.000000T0000Z-220617T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Scotland MO-
507 AM CDT Fri Jun 17 2022

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN SCOTLAND COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 4048 9235 4044 9195 4030 9195 4030 9235

$$

Gross

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 12:23 AM CDTSpecial Weather StatementDVNScotland52 min
Jun 17, 1:15 AM CDTSpecial Weather StatementDVNScotland45 min
Jun 17, 1:28 AM CDTSevere Thunderstorm WarningDVNScotland32 min
Jun 17, 2:56 AM CDTSevere Thunderstorm WarningDVNClark, Scotland35 min

Nearby

Flash Flood Warnings in Missouri, 2022Every flash flood warning in 2022

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.