Alert archive / New Mexico / Flash Flood Watches in 2017

Flash Flood Watch 6, NWS El Paso, TX

September 27, 20174 counties in New Mexico

NWS El Paso, TX issued this flash flood watch at Sep 27, 2017, 7:21 AM MDT for 4 counties in New Mexico. It took effect at Sep 27, 2017, 8:00 AM MDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Sep 27, 2017, 7:21 AM MDT (13:21 UTC)
In effect from
Sep 27, 2017, 8:00 AM MDT
Expired
Sep 28, 2017, 3:00 AM MDT
In force
19 hr
Issued by
NWS El Paso, TX
Flood severity
None

Counties Doña Ana County, NM, Grant County, NM, Luna County, NM, Sierra County, NM

The radar

The El Paso radar (KEPZ), 113 km from the middle of the area, began a volume at 13:22 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.

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Sep 27, 5:03 AM MDT, 2 hours 18 minutes earlier.

Area forecast discussion, Sep 27, 5:03 AM MDT, 2 hours 18 minutes before
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Hazardous weather outlook, Sep 26, 10:23 AM MDT, 20 hours 58 minutes before
Hazardous Weather Outlook
National Weather Service El Paso Tx/Santa Teresa NM
1023 AM MDT Tue Sep 26 2017

NMZ401>417-TXZ418>424-272030-
Upper Gila River Valley-Southern Gila
Highlands/Black Range-Southern Gila Foothills/Mimbres Valley-
Southwest Desert/Lower Gila River Valley-Lowlands of the Bootheel-
Uplands of the Bootheel-Southwest Desert/Mimbres Basin-Eastern Black
Range Foothills-Sierra County Lakes-Northern Dona Ana County-
Southern Dona Ana County/Mesilla Valley-Central Tularosa Basin-
Southern Tularosa Basin-West Slopes Sacramento Mountains Below 7500
Feet-Sacramento Mountains Above 7500 Feet-East Slopes Sacramento
Mountains Below 7500 Feet-Otero Mesa-Western El Paso County-
Eastern/Central El Paso County-Northern Hudspeth Highlands/Hueco
Mountains-Salt Basin-Southern Hudspeth Highlands-Rio Grande Valley
of Eastern El Paso/Western Hudspeth Counties-Rio Grande Valley of
Eastern Hudspeth County-
1023 AM MDT Tue Sep 26 2017

This Hazardous Weather Outlook is for portions of south central
New Mexico, southwest New Mexico, and southwest Texas.

.DAY ONE...This Afternoon and Tonight
Scattered to numerous showers and thunderstorms. A few storms may
produce hail over an inch in diameter and wind gusts to 60 mph.

Locally heavy rains also possible with rainfall amounts exceeding 2
inches over isolated locations resulting in flash flooding.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Scattered to numerous showers and thunderstorms Wednesday through
Saturday. A few storms may produce hail over an inch in diameter and
wind gusts to 60 mph.

Locally heavy rains also possible with rainfall amounts exceeding 2
inches over isolated locations resulting in flash flooding
Wednesday through Saturday.

Mostly dry non hazardous weather expected Sunday and Monday.

.SPOTTER INFORMATION STATEMENT...
Spotter activation may be required today through Saturday to report
large hail...damaging winds and heavy rains with flooding.

Rogash

In the hours before

Special weather statement, Sep 27, 1:25 AM MDT, 5 hours 56 minutes before
Special Weather Statement
National Weather Service El Paso TX
125 AM MDT WED SEP 27 2017

NMZ411-413-TXZ418-419-270830-
Southern Tularosa Basin NM-
Southern Dona Ana County/Mesilla Valley NM-
Eastern/Central El Paso County TX-Western El Paso County TX-
125 AM MDT WED SEP 27 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DONA ANA AND
NORTHWESTERN EL PASO COUNTIES UNTIL 230 AM MDT...

At 123 AM MDT, Doppler radar was tracking a strong thunderstorm 20
miles southwest of Santa Teresa, moving northeast at 30 mph.  This
storm will cross the International Border near the Santa Teresa Port
of Entry before moving into Northwest El Paso and the Upper Valley.

Half inch hail and winds in excess of 45 mph will be possible with
this storm.

Locations impacted include...
Sunland Park, Anthony, West El Paso,  Vinton, Westway, Santa Teresa,
Anthony Gap, Chamberino, Canutillo, La Union, Berino, Franklin
Mountains State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3178 10653 3179 10710 3209 10708 3209 10652
      3175 10649
TIME...MOT...LOC 0723Z 208DEG 27KT 3162 10687

HARDIMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 6:00 PM MDTSpecial Weather StatementEPZSierra45 min
Sep 26, 6:05 PM MDTSevere Thunderstorm WarningEPZDoña Ana, Otero40 min
Sep 26, 6:23 PM MDTSevere Thunderstorm WarningEPZSierra52 min
Sep 26, 6:56 PM MDTAreal Flood AdvisoryEPZSierra3 hr
Sep 26, 7:07 PM MDTSevere Thunderstorm WarningEPZDoña Ana, Luna, Sierra38 min
Sep 26, 7:31 PM MDTFlash Flood WarningEPZSierra3 hr
Sep 26, 7:38 PM MDTSevere Thunderstorm WarningEPZDoña Ana, Sierra33 min
Sep 26, 9:25 PM MDTSpecial Weather StatementEPZ50 min
Sep 26, 10:15 PM MDTSpecial Weather StatementEPZ45 min
Sep 27, 1:25 AM MDTSpecial Weather StatementEPZDoña Ana65 min
Sep 27, 1:48 AM MDTSevere Thunderstorm WarningEPZDoña Ana23 min
Sep 27, 3:16 PM MDTSpecial Weather StatementEPZGrant44 min
Sep 27, 4:02 PM MDTSevere Thunderstorm WarningEPZGrant, Hidalgo28 min
Sep 26, 6:08 PM MDTSpecial Weather StatementEPZEl Paso52 min
Sep 26, 10:35 PM MDTSevere Thunderstorm WarningEPZHudspeth40 min
Sep 27, 3:18 AM MDTAreal Flood AdvisoryEPZEl Paso117 min

Nearby

Flash Flood Watches in New Mexico, 2017Every flash flood watch in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.