Alert archive / Mississippi / Flash Flood Warnings in 1991

Flash Flood Warning 64, NWS Jackson, MS

May 5, 1991Holmes County, Yazoo County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 5, 1991, 9:44 AM CDT for Holmes County, Yazoo County, Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: May 5, 1991, 9:44 AM CDT (14:44 UTC)
Expired: May 5, 1991, 11:45 AM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Holmes County, MS, Yazoo County, MS

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 2.7 hours before the alert went out and 284 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: 538 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 157 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
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 5, 4:21 AM CDT, 5 hours 23 minutes before

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Special weather statement, May 5, 5:53 AM CDT, 3 hours 51 minutes before

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Special weather statement, May 5, 6:14 AM CDT, 3 hours 30 minutes before

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Special weather statement, May 5, 7:27 AM CDT, 2 hours 17 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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Special weather statement, May 5, 9:28 AM CDT, 16 minutes before

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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 5, 1:45 AM CDT	Flash Flood Warning	JAN	Bolivar, Issaquena, Sharkey, Sunflower, Washington	4 hr
May 5, 2:08 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	67 min
May 5, 2:30 AM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	60 min
May 5, 2:46 AM CDT	Flash Flood Warning	JAN	Humphreys, Leflore	3 hr
May 5, 2:46 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada	3 hr
May 5, 7:45 AM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	2 hr
May 5, 8:27 AM CDT	Flash Flood Warning	JAN	Leflore, Sunflower, Tallahatchie	2 hr
May 5, 8:27 AM CDT	Flash Flood Warning	JAN	Humphreys	2 hr
May 5, 8:27 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Leflore, Sunflower, Tallahatchie	2 hr
May 5, 8:50 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey	115 min
May 5, 8:56 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada	2 hr
May 5, 8:56 AM CDT	Flash Flood Warning	JAN	Yalobusha	2 hr
May 5, 8:56 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada	2 hr
May 5, 8:56 AM CDT	Severe Thunderstorm Warning	JAN	Yalobusha	2 hr
May 5, 10:08 AM CDT	Flash Flood Warning	JAN	Warren	2 hr
May 5, 10:08 AM CDT	Severe Thunderstorm Warning	JAN	Warren	2 hr
May 5, 10:37 AM CDT	Flash Flood Warning	JAN	Attala, Choctaw	3 hr
May 5, 10:57 AM CDT	Severe Thunderstorm Warning	JAN	Winston	48 min
May 5, 11:04 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	41 min
May 5, 11:26 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey	2 hr
May 5, 11:26 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	2 hr
May 5, 11:40 AM CDT	Severe Thunderstorm Warning	JAN	Kemper	65 min
May 5, 11:46 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	59 min
May 5, 11:48 AM CDT	Flash Flood Warning	JAN	Hinds, Yazoo	3 hr
May 5, 11:48 AM CDT	Flash Flood Warning	JAN	Rankin	3 hr
May 5, 12:20 PM CDT	Severe Thunderstorm Warning	JAN	Jones	55 min
May 5, 12:26 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Lauderdale	64 min
May 5, 12:42 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	63 min
May 5, 1:28 PM CDT	Severe Thunderstorm Warning	JAN	Wayne	47 min
May 5, 2:59 PM CDT	Severe Thunderstorm Warning	JAN	Wilkinson	46 min
May 5, 3:49 PM CDT	Flash Flood Warning	JAN	Adams, Wilkinson	116 min
May 5, 4:39 PM CDT	Flash Flood Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	2 hr
May 5, 4:55 PM CDT	Severe Thunderstorm Warning	JAN	Pike, Walthall	50 min
May 5, 4:57 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	48 min
May 5, 5:12 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Marion	48 min
May 5, 12:46 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw	59 min
May 5, 1:19 PM CDT	Severe Thunderstorm Warning	JAN	Sumter	56 min

Nearby

Flash Flood Warnings in Mississippi, 1991 Every flash flood warning in 1991

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.