Alert archive / New Mexico / Flash Flood Warnings in 1999

Flash Flood Warning 7, NWS El Paso, TX

September 13, 1999Grant County, New Mexico

NWS El Paso, TX issued this flash flood warning at Sep 13, 1999, 12:58 PM MDT for Grant County, New Mexico. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 13, 1999, 12:58 PM MDT (18:58 UTC)
Expired
Sep 13, 1999, 2:00 PM MDT
In force
62 min
Issued by
NWS El Paso, TX
Area
Whole counties

County Grant County, NM

The radar

The El Paso radar (KEPZ), 185 km from the middle of the area, began a volume at 19:02 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

Santa Teresa, NM (KEPZ), launched 12:00Z, 7.0 hours before the alert went out and 185 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, Santa Teresa, NM at 12:00Z on 1999-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 317 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, Santa Teresa, NM at 12:00Z on 1999-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
317 J/kg
Mixed-layer CIN
-98 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
31 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

NWS El Paso, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 13, 9:58 AM MDT, 3 hours earlier.

Area forecast discussion, Sep 13, 9:58 AM MDT, 3 hours before
AREA FORECAST DISCUSSION - UPDATED
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
958 AM MDT MON SEP 13 1999

DISCUSSION...
AREA OF SHOWERS AND THUNDERSTORMS THAT BROUGHT RAIN TO THE SOUTHERN
PART OF THE FORECAST AREA HAS MOVED SOUTH OF THE BORDER.  WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE OVER SIERRA AND GRANT
COUNTIES.  LOW CLOUDS...FOG AND LIGHT RAIN CONTINUE ALONG THE
EASTERN SLOPES OF THE SOUTH CENTRAL MOUNTAINS.  WILL UPDATE ZONES TO
REFLECT CURRENT TRENDS.

.ELP...NONE

04

N

In the hours before

Special weather statement, Sep 13, 10:28 AM MDT, 2 hours 30 minutes before
NMZ022-131715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
1028 AM MDT MON SEP 13 1999

AT 1030 AM MDT DOPPLER WEATHER RADAR SHOWED AND ISOLATED STRONG
THUNDERSTORM OVER THE GILA WILDERNESS IN NORTHCENTRAL GRANT
COUNTY.  THIS STORM WILL LIKELY PRODUCE STRONG WINDS...HEAVY
RAINS AND SMALL HAIL.  THE STORM IS MOVING TO THE SOUTH EAST AT
10 MPH AND SHOULD REMAIN OVER THE MOUNTAINOUS TERRAIN OF THE
GILA WILDERNESS.

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

0
Special weather statement, Sep 13, 10:28 AM MDT, 2 hours 30 minutes before
NMZ022-131715-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
1028 AM MDT MON SEP 13 1999

AT 1030 AM MDT DOPPLER WEATHER RADAR SHOWED AND ISOLATED STRONG
THUNDERSTORM OVER THE GILA WILDERNESS IN NORTHCENTRAL GRANT
COUNTY.  THIS STORM WILL LIKELY PRODUCE STRONG WINDS...HEAVY
RAINS AND SMALL HAIL.  THE STORM IS MOVING TO THE SOUTH EAST AT
10 MPH AND SHOULD REMAIN OVER THE MOUNTAINOUS TERRAIN OF THE
GILA WILDERNESS.

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

0
Special weather statement, Sep 13, 12:40 PM MDT, 18 minutes before
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Special weather statement, Sep 13, 12:40 PM MDT, 18 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<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>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

Everything else NWS El Paso, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 13, 11:29 AM MDTSevere Thunderstorm WarningEPZGrant46 min
Sep 13, 2:41 PM MDTSevere Thunderstorm WarningEPZLuna64 min

Nearby

Flash Flood Warnings in New Mexico, 1999Every flash flood warning in 1999

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.